World History Flashcards: 1200–Present Timeline & Themes

Study world history from 1200 to the present with 500 sourced cards on chronology, exchange, states, revolutions, conflict, globalization, and source analysis.

关于这套卡组

Study global history from about 1200 to the present with 500 original, independently written flashcards for English-speaking high-school, college survey, and independent learners.

The cards map people, states, events, institutions, ideas, technologies, and source situations to definitions, roles, causes, consequences, significance, comparisons, continuity and change, and evidence use. Related ideas appear in more than one direction only when each prompt asks for a distinct retrieval, such as a policy to its purpose or an event to its consequence. Mechanical reversals, every possible permutation, and isolated date-to-event trivia are excluded.

The learning order is both chronological and thematic. It moves from regional societies and exchange networks in 1200–1450 through land and maritime empires, revolutions and industrialization, modern imperialism, global conflict, decolonization and the Cold War, and globalization. Within each theme, short interleaved waves move from anchors to processes, causes and consequences, comparison or continuity, and source analysis; related variants are separated so nearby answers do not cue one another.

Coverage includes state formation, long-distance exchange, belief and cultural interaction, land and maritime empires, Atlantic systems, political revolutions, industrialization, imperialism, world wars, mass violence, decolonization, the Cold War, global institutions, technology, health, environment, and global culture. It excludes detailed pre-1200 history except brief prerequisites, exhaustive battle chronology, ruler lists, object-identification trivia, unstable current-affairs claims, proprietary assessment material, copied source wording, and card media.

Historical claims are paraphrased from live institutional or other authoritative sources linked on every card. No textbook, answer bank, protected assessment, competitor card, or third-party media was copied. The questions, answers, sequence, metadata, and cover are original and independently produced; linked material remains under its own terms.

These flashcards complement rather than replace primary-source analysis and essay practice.

这套卡组中的卡片

  1. 卡片 1

    问题

    What makes an item a primary source for a particular historical inquiry?

    答案

    It was created during the period or event being studied. Whether an item counts as primary depends on the question, and the item still reflects a limited perspective.

    Source: Library of Congress — Getting Started with Primary Sources.

  2. 卡片 2

    问题

    Which broad regions did the overland Silk Roads connect?

    答案

    East Asia, Central Asia, the Middle East, and Europe. Branching routes crossed steppes, deserts, mountains, and oasis settlements.

    Source: UNESCO Silk Roads corridor.

  3. 卡片 3

    问题

    How does a secondary source differ from a primary source?

    答案

    A secondary source retells, analyzes, or interprets the past from some distance in time or place. It can supply context and argument, while a primary source supplies direct evidence from the period under study.

    Source: Library of Congress — Getting Started with Primary Sources.

  4. 卡片 5

    问题

    Which regions did the medieval Indian Ocean trade network connect?

    答案

    East Africa, the Middle East, South Asia, Southeast Asia, and East Asia. Sea lanes joined ports across the ocean rather than forming one empire.

    Source: UNESCO Silk Roads overview.

  5. 卡片 7

    问题

    What is the difference between a historical claim and evidence?

    答案

    A claim is a conclusion; evidence is the specific information used to support it. Historical reasoning explains why the selected evidence makes the conclusion more credible.

    Source: Library of Congress — Primary Sources and Standards.

  6. 卡片 9

    问题

    Which regions did trans-Saharan routes connect?

    答案

    Mediterranean North Africa and the Sahel south of the Sahara. These routes linked West African production to wider Islamic and Mediterranean markets.

    Source: Met on trans-Saharan gold.

  7. 卡片 10

    问题

    How does an inference differ from an observation?

    答案

    An observation records a source detail; an inference proposes what that detail may mean. A sound inference stays tied to observable evidence and remains open to revision.

    Source: Library of Congress — Teacher’s Guides and Analysis Tool.

  8. 卡片 12

    问题

    Where did the Southern Song establish its capital after 1127?

    答案

    At Hangzhou in southern China. The shift followed the loss of northern territory and helped center Song power near the prosperous Yangzi region.

    Source: Met Song chronology.

  9. 卡片 13

    问题

    How was political authority divided in Japan's shogunate system?

    答案

    The shogun governed through military power while the emperor remained the formal and cultural head. This division anchored rule by warrior governments after 1192.

    Source: Met Japan chronology.

  10. 卡片 14

    问题

    What happened to unified Abbasid political control after 1200?

    答案

    Regional dynasties held most practical power. Political fragmentation did not erase the wider Islamic networks of learning, law, trade, and pilgrimage.

    Source: Met on the Seljuqs.

  11. 卡片 15

    问题

    What did the bhakti tradition emphasize?

    答案

    Personal devotion to a deity. Devotional poems and songs could make religious practice accessible beyond formal ritual and elite sacred languages.

    Source: Smithsonian on devotional poetry.

  12. 卡片 16

    问题

    Where was Tenochtitlan located?

    答案

    On an island in Lake Texcoco in central Mexico. Causeways, canals, markets, and temples made it the political and economic heart of Mexica power.

    Source: Met on Tenochtitlan.

  13. 卡片 17

    问题

    Who built Great Zimbabwe's monumental stone center?

    答案

    Ancestors of Shona-speaking peoples. The locally built capital flourished from the eleventh through fifteenth centuries rather than originating with foreign settlers.

    Source: Met on Great Zimbabwe.

  14. 卡片 18

    问题

    What did a medieval European fief exchange?

    答案

    Land or its revenues for military or other service. This relationship helped land-rich rulers support armed followers when cash administration was limited.

    Source: Met on feudalism.

  15. 卡片 19

    问题

    Who staffed much of the Song dynasty's civil administration?

    答案

    Educated scholar-officials selected through examinations. Their command of the Confucian classics connected learning, elite status, and service to the state.

    Source: Met on scholar-officials.

  16. 卡片 20

    问题

    What did Sufi practice emphasize within Islam?

    答案

    A disciplined search for direct spiritual closeness to God. Sufi teachers, poetry, and communities helped Islam take locally meaningful forms.

    Source: Smithsonian on Sufi traditions.

  17. 卡片 21

    问题

    Where did the Mamluk Sultanate rule from 1250?

    答案

    Egypt and Syria, with Cairo as its capital. Its position connected Mediterranean commerce, Red Sea trade, and the central Islamic lands.

    Source: Met on the Mamluks.

  18. 卡片 22

    问题

    What political alliance created the core of the Mexica Empire?

    答案

    The Triple Alliance of Tenochtitlan, Texcoco, and Tlacopan. The Mexica of Tenochtitlan became the dominant partner as the alliance expanded.

    Source: Met Mexico chronology.

  19. 卡片 23

    问题

    How did the Joseon dynasty use Neo-Confucianism after 1392?

    答案

    It made Neo-Confucianism the state's guiding ideology. Scholar-officials used its educational and governmental principles to reshape Korea's court and bureaucracy.

    Source: Met Korea chronology.

  20. 卡片 24

    问题

    What similarity linked bhakti and Sufi devotional traditions?

    答案

    Both stressed personal devotion over status alone as a path to spiritual life. Their poetry and teaching could reach audiences beyond learned religious elites.

    Sources: Smithsonian bhakti source; Smithsonian Sufi source.

  21. 卡片 25

    问题

    Why was political authority often decentralized in medieval western Europe?

    答案

    Kings depended heavily on local lords who controlled land and armed retainers. Authority therefore rested on layered personal obligations as well as royal institutions.

    Source: Met on feudalism.

  22. 卡片 27

    问题

    What was distinctive about the Mamluk ruling elite?

    答案

    It was built around former military slaves and continued recruiting through that system. Service and military training created an elite separate from much of the subject population.

    Source: Met Islamic art resource.

  23. 卡片 28

    问题

    What did Zhu Xi contribute to Neo-Confucianism?

    答案

    He organized Confucian thought into an influential philosophical system. His commentaries later shaped education and examination learning across East Asia.

    Source: Met on scholar-officials.

  24. 卡片 29

    问题

    What was Vijayanagara?

    答案

    A powerful Hindu-ruled kingdom founded in southern India in 1336. Its capital combined monumental temple patronage with a wealthy, politically defended urban center.

    Source: Met South Asia chronology.

  25. 卡片 30

    问题

    How did the Mexica Empire extract wealth from conquered towns?

    答案

    Through regular tribute payments in goods and labor. Tribute moved regional resources toward Tenochtitlan while many subject city-states kept local rulers.

    Source: Library of Congress tribute roll.

  26. 卡片 31

    问题

    How was Great Zimbabwe connected to long-distance trade?

    答案

    It linked inland gold and ivory producers to Indian Ocean commerce. Imported goods found at the site show ties reaching through coastal trading ports.

    Source: Met on Great Zimbabwe.

  27. 卡片 32

    问题

    Why was Champa rice important in Song China?

    答案

    Its early ripening and drought resistance expanded reliable rice cultivation. Wider use supported more harvests and helped feed a growing population.

    Source: Columbia Asia for Educators.

  28. 卡片 33

    问题

    What was serfdom in medieval Europe?

    答案

    A system binding many peasants to land and labor obligations under a lord. It supported the agrarian estates on which local elites depended.

    Source: Met medieval educator resource.

  29. 卡片 34

    问题

    What lasting change did the Seljuqs help produce in Anatolia?

    答案

    They established durable Turkish Muslim political power there. Their rule also joined Persianate court traditions with local Anatolian influences.

    Source: Met on Seljuq Anatolia.

  30. 卡片 35

    问题

    What was Angkor's role in mainland Southeast Asia?

    答案

    It was the monumental capital of the Khmer Empire. Its temples and water-managed landscape expressed royal power across a major regional state.

    Source: UNESCO Angkor.

  31. 卡片 36

    问题

    What economic role did the Grand Canal play in Song China?

    答案

    It carried grain and goods between the Yangzi region and northern political centers. That transport link helped bind a large regional economy to the imperial state.

    Source: Columbia Song overview.

  32. 卡片 37

    问题

    What was the main state purpose of the Great Inca Road?

    答案

    To move officials, armies, labor, messages, and supplies across the Andes. The network let Cusco administer distant and diverse provinces.

    Source: National Museum of the American Indian.

  33. 卡片 38

    问题

    What region did the Mali Empire dominate at its height?

    答案

    A broad stretch of the western Sahel around the upper Niger and major trade routes. Its reach connected savanna production to Saharan commerce.

    Source: Met Sahel exhibition.

  34. 卡片 39

    问题

    What institution connected much of fragmented medieval western Europe?

    答案

    The Latin Christian Church. Its clergy, monasteries, rituals, and learning crossed political boundaries and shaped public culture.

    Source: Met medieval educator resource.

  35. 卡片 40

    问题

    How did Song governance differ from western European feudal politics?

    答案

    Song rule relied more on a centralized examination bureaucracy; western Europe relied more on layered local lordship. Both still depended on educated or landed elites.

    Sources: Met Song source; Met Europe source.

  36. 卡片 42

    问题

    Why did paper money expand under the Song dynasty?

    答案

    It made large commercial payments easier than moving heavy strings of coins. Its spread reflects the scale and sophistication of Song markets.

    Source: Columbia on Song money.

  37. 卡片 43

    问题

    What did the Delhi Sultanate establish in northern India?

    答案

    A succession of Muslim-ruled states centered on Delhi. These regimes extended Turkic and Persianate political traditions into a predominantly non-Muslim society.

    Source: Met South Asia resource.

  38. 卡片 44

    问题

    What was Majapahit?

    答案

    A Java-based kingdom founded in 1293 that unified much of island Southeast Asia. Its rise shows the strength of maritime-oriented regional states.

    Source: Met Southeast Asia chronology.

  39. 卡片 45

    问题

    What was mit'a labor under the Inca state?

    答案

    A rotating labor obligation owed by households to the state. Workers farmed, built roads, served militarily, or completed other public tasks in return for state support.

    Source: National Museum of the American Indian.

  40. 卡片 46

    问题

    Why was gold central to Mali's power?

    答案

    Mali controlled access to major gold-producing and trading regions. Taxing and protecting commerce helped finance rulers and cities across the western Sahel.

    Source: Met on trans-Saharan gold.

  41. 卡片 47

    问题

    What do Gothic cathedrals reveal about medieval European society?

    答案

    Church institutions could mobilize large amounts of wealth, skilled labor, and civic pride. Monumental building joined religious devotion to competition among growing towns.

    Source: Met medieval educator resource.

  42. 卡片 48

    问题

    What made Song China unusually commercialized for its time?

    答案

    Dense cities, specialized production, extensive markets, and widespread money use. These features linked rural producers, urban consumers, and long-distance merchants.

    Source: Columbia Song overview.

  43. 卡片 49

    问题

    What state-building method did both the Mexica and Inca use?

    答案

    They redirected subject resources toward an imperial center. Mexica rulers demanded tribute, while Inca rulers organized labor and movement through state systems.

    Sources: Library of Congress Mexica source; NMAI Inca source.

  44. 卡片 50

    问题

    What sustained scientific learning across medieval Islamic societies?

    答案

    Scholarly networks that studied, translated, tested, and extended earlier knowledge. Work in medicine, mathematics, and astronomy circulated across institutions and languages.

    Source: Library of Congress research guide.

  45. 卡片 51

    问题

    How did Theravada Buddhism shape mainland Southeast Asian states after 1200?

    答案

    Rulers promoted it as a state religion and sponsored monasteries and sacred images. Its spread helped new kingdoms claim legitimacy as Khmer power weakened.

    Source: Met Southeast Asia chronology.

  46. 卡片 52

    问题

    Why was Mansa Musa's pilgrimage historically significant?

    答案

    It displayed Mali's extraordinary wealth and Islamic connections abroad. His 1324–25 journey made West African gold and power highly visible in Mediterranean markets.

    Source: Met on trans-Saharan gold.

  47. 卡片 53

    问题

    What administrative problem did Inca khipu solve?

    答案

    They recorded census, goods, labor, and other state information with knotted cords. Officials could manage a vast empire without a conventional writing system.

    Source: National Museum of the American Indian.

  48. 卡片 54

    问题

    What economic function did medieval European craft guilds serve?

    答案

    They regulated entry, work standards, prices, and member interests within a trade. Guilds show how urban producers organized as towns and commerce grew.

    Source: Met medieval educator resource.

  49. 卡片 55

    问题

    What helped both Mali and Great Zimbabwe profit from wider exchange?

    答案

    Control of routes linking inland resources to long-distance merchants. Mali faced Saharan networks; Great Zimbabwe connected to Indian Ocean ports.

    Sources: Met Mali trade source; Met Great Zimbabwe source.

  50. 卡片 56

    问题

    What can a source’s purpose reveal?

    答案

    Purpose helps explain why the creator selected particular details and arguments. A source meant to persuade, record, entertain, or instruct should be read with that goal in view.

    Source: Library of Congress — Getting Started with Primary Sources.

  51. 卡片 57

    问题

    What does the name Silk Roads describe?

    答案

    A changing network of land and sea routes, not one continuous road. Many local paths and markets connected into long-distance exchange across Eurasia.

    Source: UNESCO Silk Roads overview.

  52. 卡片 58

    问题

    What political change did Chinggis Khan achieve in 1206?

    答案

    He united major Mongol groups under his leadership. That consolidation supplied the base for rapid conquests across Eurasia.

    Source: Met on Chinggis Khan's legacy.

  53. 卡片 59

    问题

    What natural pattern powered Indian Ocean sailing?

    答案

    Seasonally reversing monsoon winds. Mariners timed voyages to ride predictable winds across the ocean and return in a later season.

    Source: Smithsonian Monsoon Dhows.

  54. 卡片 60

    问题

    Why were camels crucial to trans-Saharan trade?

    答案

    They could carry heavy loads across long, dry stretches. Their endurance made regular desert commerce far more practical.

    Source: Met on trans-Saharan gold.

  55. 卡片 61

    问题

    How could merchants help spread religions across exchange networks?

    答案

    They carried beliefs and practices with them along trade routes. Repeated contact among traders, pilgrims, scholars, artisans, and local communities could transmit religions without military conquest.

    Source: British Museum — Silk Roads large-print guide.

  56. 卡片 62

    问题

    What pathogen caused the Black Death?

    答案

    The bacterium Yersinia pestis. Dense trade and travel networks helped infected hosts and vectors move between regions.

    Source: World Health Organization on plague.

  57. 卡片 63

    问题

    How did monsoon timing encourage merchant diasporas?

    答案

    Merchants often waited months in foreign ports for winds to reverse. Long stays encouraged permanent communities, intermarriage, and cultural exchange.

    Source: Smithsonian Monsoon Dhows.

  58. 卡片 64

    问题

    Why were luxury goods common in long-distance Silk Roads trade?

    答案

    Their high value could justify costly, risky land transport. Silk, precious stones, fine craft goods, and aromatics could remain profitable after many exchanges.

    Source: UNESCO Courier.

  59. 卡片 65

    问题

    What made the Mongol Empire geographically exceptional?

    答案

    It created the largest contiguous land empire in history. In the thirteenth and fourteenth centuries, Mongol-ruled territories extended across much of Eurasia and connected regions from East Asia toward Europe and the Middle East.

    Source: Smithsonian Libraries — Along the Silk Roads in Mongol Eurasia.

  60. 卡片 67

    问题

    Why did trans-Saharan merchants travel in caravans?

    答案

    Groups pooled protection, guidance, animals, and supplies. Organized movement reduced some of the extreme risks of desert travel.

    Source: Met on trans-Saharan gold.

  61. 卡片 69

    问题

    What was the standard land transport for medieval Silk Roads trade?

    答案

    Caravans of horses or camels. Pack animals carried goods across difficult terrain where wheeled transport was often impractical.

    Source: UNESCO on Silk Roads travel.

  62. 卡片 70

    问题

    What happened politically to the unified Mongol Empire after its early conquests?

    答案

    It divided into major regional khanates. These successor states shared a Mongol imperial inheritance but pursued their own political interests.

    Source: Met on Chinggis Khan's legacy.

  63. 卡片 71

    问题

    How did trade networks aid the spread of Buddhism?

    答案

    Merchants, pilgrims, and teachers carried texts, practices, and art between communities. Routes supported religious transmission as well as commerce.

    Source: UNESCO Silk Roads overview.

  64. 卡片 72

    问题

    Which vessels and sailing knowledge supported long-distance Indian Ocean exchange in the thirteenth century?

    答案

    Large oceangoing junks and knowledge of monsoon winds supported long voyages. Smithsonian evidence describes Chinese junks sailing from Southeast Asia toward East Africa while dhows timed crossings to seasonal winds.

    Source: Smithsonian Institution — Letter from the Desk of David Challinor.

  65. 卡片 73

    问题

    What did a caravanserai provide?

    答案

    A protected inn where merchants and animals could rest, resupply, and trade. These stops lowered travel risk and created regular meeting points.

    Source: UNESCO on Silk Roads travel.

  66. 卡片 74

    问题

    What was the Yuan dynasty?

    答案

    The Mongol-ruled dynasty founded in China by Khubilai Khan. It governed China within the wider world created by Mongol expansion.

    Source: Met on the Yuan dynasty.

  67. 卡片 75

    问题

    Which commodities anchored much medieval trans-Saharan exchange?

    答案

    West African gold and Saharan salt. Their unequal regional distribution made exchange profitable and supported states along the routes.

    Source: Met on trans-Saharan gold.

  68. 卡片 76

    问题

    Why were reliable ports essential to Indian Ocean trade?

    答案

    Ships needed protected markets, repairs, provisions, and fresh water. Ports turned ocean crossings into linked stages and concentrated commercial exchange.

    Source: UNESCO Silk Roads overview.

  69. 卡片 77

    问题

    Why distinguish factual statements from opinions inside a document?

    答案

    The distinction shows which statements can be checked directly and which express a judgment. Both can be historical evidence, but they answer different questions about events and perspective.

    Source: U.S. National Archives — Document Analysis.

  70. 卡片 79

    问题

    What did Mongol relay stations improve?

    答案

    They made official travel and communication faster and more dependable. Authorized travelers used passes to obtain food, lodging, and supplies at stations along the road network.

    Source: The Metropolitan Museum of Art — The World of Khubilai Khan.

  71. 卡片 80

    问题

    How did Mongol rule spread technical knowledge across Eurasia?

    答案

    Rulers relocated skilled workers and brought artisans from different regions into shared workshops. Their collaboration spread and modified textile and other production techniques.

    Source: The Metropolitan Museum of Art — The World of Khubilai Khan.

  72. 卡片 81

    问题

    What made Swahili coastal towns important to Indian Ocean trade?

    答案

    They connected East African resources and producers to overseas merchants. Their urban culture grew from both African foundations and sustained ocean exchange.

    Source: Smithsonian on Swahili harbor towns.

  73. 卡片 82

    问题

    How did plague enter Mediterranean networks in the fourteenth century?

    答案

    It spread westward through connected Black Sea and maritime trade routes. The exact path is reconstructed from incomplete evidence, but commercial movement clearly accelerated transmission.

    Source: CDC historical review.

  74. 卡片 83

    问题

    How did overland and Indian Ocean trade differ in transport?

    答案

    Overland trade relied on pack-animal caravans; ocean trade relied on ships and seasonal winds. The transport mode shaped cost, cargo, and travel rhythm.

    Source: UNESCO Silk Roads overview.

  75. 卡片 84

    问题

    Did most Silk Roads merchants travel from China to Europe?

    答案

    No; most merchants worked one segment and passed goods through intermediate markets. Repeated exchanges linked distant regions without requiring a single end-to-end journey.

    Source: The Metropolitan Museum of Art — Afghanistan and the Silk Road.

  76. 卡片 85

    问题

    How did Mongol rule affect overland exchange in the thirteenth and fourteenth centuries?

    答案

    Mongol control made travel across much of the Silk Roads easier and increased east–west exchange. Political fragmentation and local risk did not disappear, but merchants could cross a wider connected zone.

    Source: Smithsonian Folklife Festival — Venice and Silk Roads Commerce.

  77. 卡片 86

    问题

    Why was Quanzhou important in Song–Yuan maritime trade?

    答案

    It was a major Chinese emporium linking production, inland transport, and overseas markets. Its docks, bridges, religious sites, and workshops reflect both commercial scale and international connections.

    Source: UNESCO World Heritage Centre — Quanzhou.

  78. 卡片 87

    问题

    How did Mali benefit from trans-Saharan commerce?

    答案

    Its rulers controlled and taxed routes through a major gold-producing region. Trade revenue helped sustain imperial power and urban centers.

    Source: Met Sahel exhibition.

  79. 卡片 88

    问题

    Why ask what a primary source leaves unexplained?

    答案

    Every primary source is an incomplete piece of the historical record. Identifying its gaps prevents overgeneralization and points toward evidence needed from other sources.

    Source: Library of Congress — Getting Started with Primary Sources.

  80. 卡片 89

    问题

    Why were major port cities often culturally diverse?

    答案

    They attracted resident and visiting merchants from many regions. In lower Myanmar, for example, ports drew Chinese, Indian, Arab, and Southeast Asian traders, with other communities arriving later.

    Source: British Museum — Myanmar’s Connected Cultures.

  81. 卡片 90

    问题

    What food exchange accompanied Silk Roads commerce?

    答案

    Travelers carried foods and preparation traditions between regions. Rice dishes, flatbreads, noodles, tea, and other foods entered the shared culture of Silk Roads bazaars.

    Source: Smithsonian Folklife Festival — Samarkand Commerce.

  82. 卡片 91

    问题

    What archaeological evidence links Kilwa to Asian markets in the fourteenth and fifteenth centuries?

    答案

    Imported pottery made in China, Vietnam, and the Middle East. Fragments found at Kilwa show that the East African port participated in long-distance Indian Ocean exchange.

    Source: British Museum — Money Gallery large-print guide.

  83. 卡片 92

    问题

    Why were oasis towns vital to overland Silk Roads travel?

    答案

    They gave travelers places to rest, trade, and resupply around difficult desert crossings. Dunhuang also became a religious and cultural center where merchants and pilgrims met.

    Source: The Metropolitan Museum of Art — The Printed Image in China.

  84. 卡片 94

    问题

    Why did Malacca become a major maritime entrepôt?

    答案

    Its position beside the strait concentrated shipping between the Indian Ocean and East Asia. Merchants could exchange cargoes at this strategic chokepoint.

    Source: UNESCO Malacca.

  85. 卡片 95

    问题

    Why was Timbuktu important by the fourteenth century?

    答案

    It was a commercial and Islamic scholarly center at the Sahara's southern edge. Trade and learning connected its residents to North Africa and the wider Islamic world.

    Source: Library of Congress on Timbuktu.

  86. 卡片 96

    问题

    Why are Ibn Battuta's travels useful to historians?

    答案

    His account describes connected societies across Africa and Asia from one traveler's perspective. It offers evidence about mobility, institutions, and shared Islamic networks while still requiring source criticism.

    Source: Library of Congress Ibn Battuta holding.

  87. 卡片 97

    问题

    What practical knowledge moved back to Yuan China through expanded exchange?

    答案

    Travelers brought new crops and food-preparation methods as well as scientific and architectural knowledge. The exchange shows that Mongol-era connections moved practices and ideas alongside trade goods.

    Source: Library of Congress — Mongolia: A Country Study.

  88. 卡片 99

    问题

    What does corroboration do in historical research?

    答案

    It compares a claim with independent evidence that may support or contradict it. Agreement can raise confidence, while disagreement can expose differences in knowledge, interest, or perspective.

    Source: Library of Congress — Getting Started with Primary Sources.

  89. 卡片 100

    问题

    Why did gunpowder weapons favor expanding land empires after 1450?

    答案

    Cannons and firearms helped rulers defeat fortified cities and field armies. States able to finance these weapons gained an advantage in conquest and consolidation.

    Source: Met Ottoman educator resource.

  90. 卡片 101

    问题

    Where did the early Ottoman state expand?

    答案

    From Anatolia into the Balkans and surrounding eastern Mediterranean lands. Warfare and diplomacy turned a frontier principality into a major empire.

    Source: Met Ottoman educator resource.

  91. 卡片 102

    问题

    Who founded the Safavid dynasty in 1501?

    答案

    Shah Isma'il I. His victory in Azerbaijan and coronation at Tabriz began the dynasty that soon unified Iran.

    Source: Met Iran chronology.

  92. 卡片 103

    问题

    Who founded Mughal rule in northern India in 1526?

    答案

    Babur. His defeat of the Delhi sultan inaugurated a dynasty that successors would expand across much of the subcontinent.

    Source: Met South Asia chronology.

  93. 卡片 104

    问题

    Who established the Qing dynasty in China in 1644?

    答案

    The Manchus from northeast of the Great Wall. They conquered the weakening Ming state and built China's last imperial dynasty.

    Source: Met on Qing painting.

  94. 卡片 105

    问题

    What political change began Japan's Tokugawa era?

    答案

    The Tokugawa house unified Japan and founded a new shogunate. Its rule replaced prolonged civil war with more than two centuries of relative peace.

    Source: Met Samurai Splendor.

  95. 卡片 106

    问题

    How did Songhai become a major West African empire?

    答案

    Its rulers conquered key Niger River cities and expanded control over trans-Saharan trade. Gao, Timbuktu, and Jenne became central to imperial power.

    Source: Met Sahel exhibition.

  96. 卡片 107

    问题

    What did Martin Luther challenge in his 1517 Ninety-Five Theses?

    答案

    Church abuses centered on the sale of indulgences. A document intended for academic debate became a catalyst for a much wider religious revolt.

    Source: Library of Congress primary source.

  97. 卡片 108

    问题

    How did official Shi'a Islam shape Safavid identity?

    答案

    It gave the dynasty a distinct state religion and separated it from powerful Sunni neighbors. Religious identity reinforced rule while also sharpening regional rivalry.

    Source: Met Iran chronology.

  98. 卡片 109

    问题

    What political ancestry did Babur claim?

    答案

    Timurid and Chinggisid dynastic ancestry. Those lineages placed Babur inside prestigious Central Asian traditions of imperial rule.

    Source: Smithsonian on Babur.

  99. 卡片 110

    问题

    Why was the Ottoman capture of Constantinople in 1453 significant?

    答案

    Constantinople—also commonly called Istanbul—became the Ottoman capital. The conquest ended Byzantine rule, and Ottoman rulers rebuilt the city as an imperial center.

    Source: The Metropolitan Museum of Art — The Ottoman Empire.

  100. 卡片 111

    问题

    Who were the Qizilbash in the early Safavid state?

    答案

    Turkic tribal warriors whose military support helped Isma'il seize power. Their early influence later posed a challenge to stronger central rule.

    Source: Met on the Safavids.

  101. 卡片 112

    问题

    Where did the Qing expand beyond China proper?

    答案

    Into territories including Central Asia, Tibet, and parts of Siberia. This growth made the Qing a large Inner Asian as well as Chinese empire.

    Source: Met on Qing painting.

  102. 卡片 113

    问题

    How did Akbar change the territorial scale of Mughal rule?

    答案

    He turned a fragile north Indian kingdom into a large, durable empire. Expansion brought many regional rulers, communities, and revenue systems under Mughal authority.

    Source: Met South Asia chronology.

  103. 卡片 114

    问题

    What did the Ottomans gain by conquering the Mamluk Sultanate in 1517?

    答案

    Syria, Egypt, and the Islamic holy cities entered Ottoman rule. The conquest expanded Ottoman influence over pilgrimage and major trade routes.

    Source: Met on the Ottomans.

  104. 卡片 115

    问题

    What territorial achievement followed the Safavid founding?

    答案

    Safavid forces unified most of Iran within about a decade. The new dynasty replaced competing regional powers with a durable imperial state.

    Source: Met Iran chronology.

  105. 卡片 116

    问题

    How did printing accelerate the Protestant Reformation?

    答案

    Printers reproduced reform arguments quickly and in large numbers. Luther's ideas reached audiences far beyond the university debate that first prompted them.

    Source: Library of Congress on the Ninety-Five Theses.

  106. 卡片 117

    问题

    Why was Akbar's conquest of Gujarat important?

    答案

    It brought wealthy commercial centers and access to Arabian Sea trade. The conquest connected Mughal revenues to maritime exchange with western Asia and Europe.

    Source: Met on the early Mughals.

  107. 卡片 118

    问题

    Why is Süleyman I's reign considered an Ottoman high point?

    答案

    Territorial expansion, economic strength, legal reform, and major artistic patronage. His reign from 1520 to 1566 marked a high point of Ottoman imperial power.

    Source: Met on Süleyman's era.

  108. 卡片 119

    问题

    A ruler commissions an inscription after a conquest. Which purpose issue should be tested?

    答案

    The inscription may be designed to legitimize the victory. Its wording is strong evidence of political messaging, but factual claims about the conquest still need corroboration.

    Source: Library of Congress — Getting Started with Primary Sources.

  109. 卡片 120

    问题

    What drove repeated Ottoman-Safavid wars in the sixteenth century?

    答案

    Competition for territory and political supremacy, sharpened by Sunni-Shi'a rivalry. Eastern Anatolia, Azerbaijan, and routes through the region were recurring stakes.

    Sources: Met Iran chronology; Met Ottoman source.

  110. 卡片 121

    问题

    What military feature did the Ottoman, Safavid, and Mughal empires share?

    答案

    All used firearms and artillery to expand or defend land empires. Their success also depended on revenue, cavalry, administration, and alliances—not gunpowder alone.

    Sources: Met Ottoman source; Met Safavid source; Met Mughal source.

  111. 卡片 122

    问题

    What was the Mughal mansabdari system?

    答案

    A ranked imperial service tying pay and responsibility to the emperor. It organized military and civil elites around personal service rather than independent hereditary power.

    Source: Library of Congress country study.

  112. 卡片 123

    问题

    What was the Ottoman devshirme?

    答案

    A levy that took Christian boys for conversion and training in imperial service. It supplied soldiers and officials whose careers depended on the sultan.

    Source: World History Commons.

  113. 卡片 124

    问题

    Why did Qizilbash power become a problem for Safavid shahs?

    答案

    Tribal commanders controlled major military and political offices. Their independent influence could weaken the shah's direct authority over the state.

    Source: Met Islamic art resource.

  114. 卡片 125

    问题

    What legal foundation did the Qing preserve from the Ming?

    答案

    Much of the Ming legal code. Retaining and revising an established framework helped the new Manchu dynasty govern through familiar Chinese institutions.

    Source: Library of Congress Qing code.

  115. 卡片 126

    问题

    How did Akbar broaden support for Mughal rule?

    答案

    He promoted capable Hindu and Muslim elites into imperial service. Inclusive recruitment tied powerful regional groups more closely to the emperor.

    Source: Library of Congress country study.

  116. 卡片 127

    问题

    What major religious change did the Protestant Reformation produce?

    答案

    It broke the institutional unity of western Latin Christianity. Competing churches and confessions reshaped politics, education, worship, and art.

    Source: Met on the Reformation.

  117. 卡片 128

    问题

    How did Ottoman and Safavid religious policies differ?

    答案

    Ottoman rulers championed Sunni authority, while Safavid rulers made Shi'a Islam a state identity. That difference intensified a rivalry also driven by territory and trade.

    Sources: Met Ottoman source; Met Safavid source.

  118. 卡片 129

    问题

    Who were the Ottoman Janissaries?

    答案

    Elite infantry serving the sultan. Many were recruited through the devshirme, converted to Islam, and trained for military duty.

    Source: Met on Janissaries.

  119. 卡片 130

    问题

    How did Shah Abbas reduce Qizilbash power?

    答案

    He built a corps of royal slaves trained for military and civil service. These ghulams gave the shah a loyal counterweight to tribal commanders.

    Source: Met Islamic art resource.

  120. 卡片 131

    问题

    What tax did Akbar abolish in 1564?

    答案

    The jizya on non-Muslims. Ending the tax supported his wider effort to govern a religiously diverse population through accommodation.

    Source: Library of Congress country study.

  121. 卡片 132

    问题

    How did the Qing civil service examinations support government?

    答案

    They selected officials trained in Confucian learning and statecraft. The system linked elite education to service in a large imperial bureaucracy.

    Source: Library of Congress examination record.

  122. 卡片 133

    问题

    What authority did Luther increasingly reject after 1517?

    答案

    The Catholic Church's exclusive authority over Christian faith and civil society. His expanding critique moved beyond indulgences and helped form a separate reform movement.

    Source: Library of Congress Luther guide.

  123. 卡片 134

    问题

    How did Ottoman devshirme differ from Mughal mansabdari?

    答案

    Devshirme compelled selected Christian youths into converted imperial service; mansabdari ranked already recruited officers by duty and pay. Both tied careers closely to the ruler.

    Sources: World History Commons; Library of Congress country study.

  124. 卡片 135

    问题

    Why was Süleyman I called the Lawgiver in Ottoman tradition?

    答案

    He issued and organized major administrative and legal regulations. The title highlights law as a tool for governing a diverse, expanding empire.

    Source: Met Ottoman educator resource.

  125. 卡片 136

    问题

    Why did Shah Abbas rebuild Isfahan as his capital?

    答案

    To create a secure political and ceremonial center under royal direction. Palaces, mosques, markets, and the Royal Square staged Safavid power.

    Source: Met on Isfahan.

  126. 卡片 137

    问题

    What cultural tradition strongly shaped the Mughal court?

    答案

    Persianate court culture. Persian language, literature, painting, and administrative habits mixed with Indian traditions to create a distinctive imperial style.

    Source: Met on the early Mughals.

  127. 卡片 138

    问题

    Why did Manchu Qing rulers embrace Chinese cultural traditions?

    答案

    To present themselves as legitimate Confucian-style emperors. Patronage and ritual helped a conquest dynasty claim continuity with Chinese political ideals.

    Source: Met on Qing painting.

  128. 卡片 139

    问题

    A merchant writes advice for other merchants. How should the audience shape interpretation?

    答案

    The advice will probably emphasize practical risks, routes, and profits. It may document commercial priorities well without offering a complete picture of the wider society.

    Source: Library of Congress — Getting Started with Primary Sources.

  129. 卡片 140

    问题

    What was the basic Tokugawa ruling hierarchy?

    答案

    The shogun governed above regional daimyo, whose samurai served as retainers. This warrior order structured political authority during the Edo period.

    Source: Met Samurai Splendor.

  130. 卡片 141

    问题

    What was the Catholic Counter-Reformation?

    答案

    A Catholic renewal that rejected Protestant teachings and reaffirmed Catholic doctrine. It reshaped institutions, missionary work, education, and religious art.

    Source: Met on the Reformation.

  131. 卡片 142

    问题

    How did Mughal and Qing rulers use established elites?

    答案

    Both recruited people formed by older local traditions into imperial service. Mughal rulers incorporated diverse Indian elites; Qing rulers retained Confucian examination officials.

    Sources: Library of Congress Mughal source; Library of Congress Qing source.

  132. 卡片 143

    问题

    How did Sinan's mosque complexes support Ottoman rule?

    答案

    They joined worship, public services, and visible imperial patronage. Monumental architecture made the dynasty's wealth and religious authority tangible in major cities.

    Source: Met on the Ottomans.

  133. 卡片 144

    问题

    How did alternate attendance help the Tokugawa shogunate control daimyo?

    答案

    It required lords to maintain residences and spend regular time in Edo. Travel and dual households constrained their finances and kept them under closer supervision.

    Source: Met on shoguns and art.

  134. 卡片 145

    问题

    What did Fatehpur Sikri communicate about Akbar's rule?

    答案

    Its architecture joined Central Asian, Persian, Muslim, and Indian forms. The planned capital presented the emperor as ruler of a culturally diverse realm.

    Source: Met on the early Mughals.

  135. 卡片 146

    问题

    Why did some Qing offices have both Manchu and Han appointees?

    答案

    Dual appointments combined administrative experience with political oversight. The structure let the dynasty use Chinese officials while guarding Manchu control.

    Source: Library of Congress China country study.

  136. 卡片 147

    问题

    How did Shah Abbas use the silk trade to strengthen the Safavid state?

    答案

    He placed much raw-silk commerce under state control. Export revenue and control over production gave the crown a powerful economic resource.

    Source: Met on Safavid silk.

  137. 卡片 148

    问题

    What did England's 1534 Act of Supremacy do?

    答案

    It made Henry VIII head of the Church of England and rejected papal authority. The act joined religious change to a major expansion of royal power.

    Source: UK National Archives.

  138. 卡片 149

    问题

    How did Akbar approach the Mughal Empire's religious diversity?

    答案

    He promoted accommodation and recruited officials without restricting service to Muslims. The policy helped him govern a large non-Muslim majority.

    Source: Met South Asia chronology.

  139. 卡片 150

    问题

    How did Tokugawa and Qing rulers limit risks from elite subordinates?

    答案

    Tokugawa rulers constrained daimyo through attendance rules; Qing rulers paired continuity with supervision in the bureaucracy. Both balanced cooperation with controls against disloyalty.

    Sources: Met Tokugawa source; Library of Congress Qing source.

  140. 卡片 151

    问题

    What was an Ottoman sultan's tughra?

    答案

    A distinctive official signature placed on decrees and state objects. It authenticated rule while turning the ruler's name into a recognizable emblem of sovereignty.

    Source: Met on the tughra.

  141. 卡片 152

    问题

    What was the political value of Safavid royal workshops?

    答案

    They concentrated skilled production under court patronage. Luxury textiles, carpets, books, and objects projected dynastic taste and supported state commerce.

    Source: Met on the Safavids.

  142. 卡片 153

    问题

    Why did Mughal emperors sponsor illustrated histories?

    答案

    To record and shape the official story of imperial rule. Court workshops turned dynastic victories, ceremonies, and genealogy into persuasive visual history.

    Source: Victoria and Albert Museum.

  143. 卡片 154

    问题

    What political purpose did the Kangxi emperor's southern inspection tours serve?

    答案

    They displayed unification and imperial attention in China's wealthy cultural heartland. Court art then preserved the tours as a public image of legitimate rule.

    Source: Met on the Kangxi tours.

  144. 卡片 155

    问题

    How did Tokugawa rule regulate social rank?

    答案

    It imposed a strict status order and detailed rules on public conduct. Regulation reinforced the authority of the shogun, daimyo, and samurai ruling class.

    Source: Met Samurai Splendor.

  145. 卡片 156

    问题

    Why did Morocco defeat Songhai in 1591?

    答案

    Moroccan troops had firearms, while Songhai was weakened by internal division. The invasion toppled Songhai control of major Niger River cities and trade routes.

    Source: Met Sahel exhibition.

  146. 卡片 157

    问题

    Why did Reformation-era religious divisions become political conflicts?

    答案

    Rulers and communities tied confession to authority, law, and allegiance. Choosing a church could redistribute property and shift power between secular and religious institutions.

    Sources: Met on the Reformation; UK National Archives.

  147. 卡片 158

    问题

    What core beliefs did Guru Nanak teach in the Punjab?

    答案

    Devotion to one God, human equality, truthfulness, and service. His teaching founded the Sikh tradition in a region shaped by Hindu and Muslim communities.

    Source: Smithsonian on Sikhism.

  148. 卡片 160

    问题

    What navigational problem did the magnetic compass solve for early modern sailors?

    答案

    It gave sailors a reliable direction when landmarks or stars were not visible. That made longer open-water voyages less dependent on coastal navigation.

    Source: Smithsonian — Time and Navigation.

  149. 卡片 161

    问题

    What commercial goal drove Portuguese voyages around Africa?

    答案

    Portugal sought direct access to Asian spices and luxury goods. An ocean route could bypass intermediaries in established overland and Mediterranean trade.

    Source: Library of Congress — Spanish and Portuguese exploration.

  150. 卡片 162

    问题

    How did Portugal build an Indian Ocean empire with limited manpower?

    答案

    It seized or fortified strategic ports and sea lanes instead of conquering vast inland territories. Naval force let a small state influence high-value maritime trade.

    Source: The Met — Europe and the Age of Exploration.

  151. 卡片 163

    问题

    What was the Columbian Exchange?

    答案

    It was the sustained transfer of plants, animals, diseases, and people between the Americas and Afro-Eurasia after 1492. The exchange transformed environments and societies on both sides of the Atlantic.

    Source: Smithsonian — Seeds of Change.

  152. 卡片 164

    问题

    What happened to the Mexica capital in 1521?

    答案

    Spanish and Indigenous allied forces captured Tenochtitlan, ending the Mexica-led Aztec Empire. Spain then built colonial rule around the conquered capital.

    Source: Library of Congress — Spanish and Portuguese exploration.

  153. 卡片 165

    问题

    Why did Potosí become central to Spain's American empire?

    答案

    Its exceptionally rich silver deposits generated large imperial revenues and drew labor, trade, and settlement to the Andes. The mining complex fed a worldwide silver economy.

    Source: UNESCO — City of Potosí.

  154. 卡片 166

    问题

    How did captive Africans resist during Atlantic crossings?

    答案

    They resisted through revolt, refusal, communication, and other acts of defiance aboard ships. Resistance began before plantation arrival and challenged every stage of enslavement.

    Source: Smithsonian — The Middle Passage.

  155. 卡片 167

    问题

    Why did Kongo rulers adopt Christianity selectively?

    答案

    They used Christianity in diplomacy, kingship, and visual culture while reshaping it through Kongo ideas. Conversion could strengthen international ties without erasing local political traditions.

    Source: The Met — Christianity and Kongo visual culture.

  156. 卡片 168

    问题

    What grievances fueled the Pueblo Revolt of 1680?

    答案

    Pueblo communities resisted Spanish religious suppression, forced labor, tribute, and colonial violence. The revolt united several communities against rule in New Mexico.

    Source: National Park Service — Spanish encounters at Pecos.

  157. 卡片 169

    问题

    How did the Marathas challenge Mughal power?

    答案

    They built a mobile regional state in western India and expanded as Mughal authority weakened. Their rise shows that land-based political competition continued during maritime expansion.

    Source: The Met — South Asia, 1600–1800.

  158. 卡片 170

    问题

    What purpose did casta classifications serve in Spanish America?

    答案

    They named ancestry-based social categories and reinforced colonial ideas about status and privilege. Actual identity and mobility were more complicated than a fixed painted hierarchy suggests.

    Source: National Park Service — Race, slavery, and freedom.

  159. 卡片 171

    问题

    Why were Old World diseases so destructive in the Americas?

    答案

    Indigenous populations had little prior exposure or immunity to infections such as smallpox and measles. Epidemics caused catastrophic mortality after sustained transatlantic contact.

    Source: National Park Service — Columbian Exchange.

  160. 卡片 172

    问题

    What was the economic goal of mercantilism?

    答案

    Mercantilist policy aimed to strengthen the state by controlling trade and accumulating wealth, often through protected colonial markets. Colonies were expected to serve metropolitan power.

    Source: Library of Congress — British trade and empire.

  161. 卡片 173

    问题

    How did shipboard cannon change maritime competition?

    答案

    Cannon let ocean-going ships threaten ports and rival vessels from offshore. European fleets used that concentrated firepower to demand access and defend trading positions.

    Source: Royal Museums Greenwich — Shipbuilding, 800–1800.

  162. 卡片 174

    问题

    Why was state sponsorship important to European maritime exploration?

    答案

    Rulers could finance expensive ships, crews, and repeated voyages in exchange for trade access, revenue, and strategic advantage. Oceanic expansion joined private ambition to state power.

    Source: The Met — Europe and the Age of Exploration.

  163. 卡片 175

    问题

    How did epidemic disease aid Iberian conquest in the Americas?

    答案

    Disease weakened communities, disrupted leadership, and reduced resistance before and during conquest. It worked alongside military action and Indigenous alliances, not as a single cause.

    Source: Library of Congress — Spanish and Portuguese exploration.

  164. 卡片 176

    问题

    Why did merchants use joint-stock companies for overseas trade?

    答案

    Many investors could pool capital and divide the risk of costly voyages. This structure financed enterprises too large or uncertain for most individuals.

    Source: Library of Congress — Dutch maritime chart collection.

  165. 卡片 177

    问题

    Why were Goa, Malacca, and Hormuz important to Portugal?

    答案

    They sat near major Indian Ocean trade routes and chokepoints. Holding these ports helped Portugal tax, redirect, and protect maritime commerce across a dispersed empire.

    Source: The Met — Europe and the Age of Exploration.

  166. 卡片 178

    问题

    What did a mariner's astrolabe measure at sea?

    答案

    It measured the altitude of the Sun or a star above the horizon, helping sailors estimate latitude. It did not determine longitude.

    Source: Royal Museums Greenwich — Mariner's astrolabe.

  167. 卡片 179

    问题

    How did the potato affect Afro-Eurasian populations?

    答案

    Its high yields and nutritional value supported population growth where it was adopted. A crop domesticated in the Andes became a major food far beyond the Americas.

    Source: Smithsonian — Seeds of Change.

  168. 卡片 180

    问题

    What made a chartered company different from an ordinary merchant firm?

    答案

    A state granted it exclusive privileges and sometimes authority to make treaties, wage war, or govern territory. Chartered companies blurred the line between commerce and empire.

    Source: Library of Congress — Dutch West India Company charter.

  169. 卡片 182

    问题

    What did Bartolomeu Dias's 1488 voyage demonstrate?

    答案

    Ships could round southern Africa and enter the Indian Ocean. Dias's passage around the Cape of Good Hope opened the way for Portugal's later sea route to India and Asia.

    Source: Library of Congress — Bartolomeu Dias authority record.

  170. 卡片 183

    问题

    Why did Spain establish Manila in 1571?

    答案

    Manila gave Spain an Asian base linked to its American empire. The port became the eastern hub of a Pacific trade route centered on New Spain.

    Source: The Met — Manila galleon trade.

  171. 卡片 184

    问题

    Why were maize and cassava important Columbian Exchange crops?

    答案

    They grew well in varied environments and became dependable calorie sources in parts of Africa and Asia. Their spread helped sustain demographic growth outside the Americas.

    Source: National Park Service — Columbian Exchange.

  172. 卡片 185

    问题

    Why did maritime empires restrict colonial trade?

    答案

    Trade rules directed valuable goods and customs revenue toward the imperial state and its merchants. Such monopolies also tried to keep rival powers out of colonial markets.

    Source: Library of Congress — British trade and empire.

  173. 卡片 186

    问题

    Why was the lateen sail useful in Indian Ocean and Mediterranean sailing?

    答案

    Its triangular shape let ships tack more effectively against the wind. Sailors could follow less direct wind patterns instead of waiting for a purely favorable breeze.

    Source: Royal Museums Greenwich — Shipbuilding, 800–1800.

  174. 卡片 187

    问题

    What was the significance of Vasco da Gama's 1497–1499 voyage?

    答案

    He completed a sea voyage from Portugal around Africa to India and back. The route enabled sustained Portuguese entry into Indian Ocean commerce.

    Source: UNESCO — Journal of Vasco da Gama's first voyage.

  175. 卡片 188

    问题

    How did horses transform some Indigenous societies in North America?

    答案

    Horses increased mobility, hunting range, trade, and military reach. Plains peoples such as the Comanche built new ways of life around an animal reintroduced from Eurasia.

    Source: National Park Service — Comanches and horses.

  176. 卡片 189

    问题

    What was the Dutch East India Company?

    答案

    The VOC was a chartered joint-stock company founded in 1602 to conduct Dutch trade and expansion in Asia. It combined commercial goals with powers normally associated with states.

    Source: Library of Congress — Dutch maritime chart collection.

  177. 卡片 190

    问题

    What did the encomienda system grant Spanish colonists?

    答案

    It granted claims to Indigenous tribute and labor rather than outright ownership of people. In practice, the system enabled severe exploitation under colonial rule.

    Source: Library of Congress — Pizarro and the Incas.

  178. 卡片 191

    问题

    How did the sternpost rudder improve ocean travel?

    答案

    It made a ship easier to steer, especially in rough water and at larger sizes. Better control supported the long voyages of expanding maritime states.

    Source: Royal Museums Greenwich — Shipbuilding, 800–1800.

  179. 卡片 192

    问题

    What ecological change followed the arrival of European livestock in the Americas?

    答案

    Cattle and pigs multiplied and altered land use, vegetation, and food systems. Free-ranging herds could also damage Indigenous fields and intensify competition over land.

    Source: National Park Service — Columbian Exchange.

  180. 卡片 193

    问题

    What did Columbus's 1492 voyage unintentionally connect?

    答案

    It opened sustained contact between Europe and the Americas, although Columbus believed he had reached Asia. The encounter began lasting Atlantic conquest, settlement, and exchange.

    Source: Library of Congress — 1492: Columbus.

  181. 卡片 194

    问题

    Why was the English East India Company founded in 1600?

    答案

    It received a royal charter to pursue English trade with Asia. Over time, a commercial corporation gained territorial and political power in South Asia.

    Source: The Met — Europe and the Islamic World.

  182. 卡片 195

    问题

    How did Spain adapt the Andean mita for colonial mining?

    答案

    Colonial officials required rotating Indigenous labor drafts for mines, especially Potosí. The Spanish system intensified an older Andean labor obligation for imperial extraction.

    Source: UNESCO — City of Potosí.

  183. 卡片 196

    问题

    Why did sugar cultivation expand Atlantic slavery?

    答案

    Sugar plantations demanded a large, tightly controlled labor force for difficult year-round work. European consumer demand made coerced plantation labor highly profitable.

    Source: Smithsonian — Forced Crossings.

  184. 卡片 198

    问题

    What did the 1494 Treaty of Tordesillas attempt to settle?

    答案

    It divided claims to newly encountered overseas lands between Spain and Portugal along an agreed meridian. Other peoples and European states did not accept that division.

    Source: Yale Avalon Project — Treaty of Tordesillas.

  185. 卡片 199

    问题

    How did the Dutch challenge Portuguese control of the spice trade?

    答案

    Dutch fleets and the VOC seized strategic islands and ports while organizing monopoly trade. By the seventeenth century, the Dutch displaced Portugal from many Southeast Asian positions.

    Source: The Met — Interwoven Globe.

  186. 卡片 200

    问题

    Which African food traditions crossed the Atlantic with enslaved people?

    答案

    Foods including rice and okra traveled with African knowledge and tastes. Enslaved people helped shape American agriculture and cuisine despite the violence of forced migration.

    Source: National Park Service — Latino foodways.

  187. 卡片 201

    问题

    Why were Indigenous allies decisive in the conquest of the Aztec Empire?

    答案

    Many communities opposed Mexica tribute and supplied the Spaniards with far more fighters and local knowledge than Spain alone could provide. Conquest was not simply Europeans versus Indigenous Americans.

    Source: Library of Congress — Spanish and Portuguese exploration.

  188. 卡片 202

    问题

    What defined Atlantic plantation slavery?

    答案

    Enslaved status was coerced, hereditary, and increasingly racialized within large-scale cash-crop production. Plantation owners treated human beings as property to control labor.

    Source: Smithsonian — Forced Crossings.

  189. 卡片 203

    问题

    How did peninsulares and creoles differ in Spanish America?

    答案

    Peninsulares were born in Iberia, while creoles were American-born people of Spanish descent. Crown preference for peninsulares in high office could frustrate wealthy creole elites.

    Source: National Park Service — San Antonio's colonial communities.

  190. 卡片 204

    问题

    A tax decree appears during wartime. Which contextual question matters most?

    答案

    Ask how wartime demands shaped the decree’s timing and terms. Revenue needs may explain both the policy and the burdens it placed on the population.

    Source: Library of Congress — Getting Started with Primary Sources.

  191. 卡片 205

    问题

    What broad demographic effect did American crops have in Afro-Eurasia?

    答案

    New calorie-rich crops expanded food supplies and supported population growth. Their impact varied by environment and adoption, but the overall exchange widened the global food base.

    Source: Smithsonian — Seeds of Change.

  192. 卡片 206

    问题

    What information made portolan charts valuable to mariners?

    答案

    They showed coastlines, ports, and compass directions in practical detail. Their strength was route planning around known shores, not complete global geography.

    Source: Library of Congress — Portolan charts.

  193. 卡片 207

    问题

    What did the Magellan–Elcano expedition prove in 1519–1522?

    答案

    Its surviving crew completed the first recorded circumnavigation of Earth. The voyage demonstrated the global scale of the oceans and the practical possibility of sailing around the world.

    Source: Library of Congress — First circumnavigation map.

  194. 卡片 208

    问题

    How did English and French expansion in North America differ from Iberian conquest?

    答案

    English and French projects relied more on settlement and trade in northern regions, while Spain and Portugal built earlier empires over densely populated American states and labor systems. Each still displaced or subordinated Indigenous peoples.

    Source: Library of Congress — Claiming the Americas.

  195. 卡片 209

    问题

    How did the Columbian Exchange reshape American environments?

    答案

    Imported crops, grazing animals, pathogens, and weeds changed ecosystems as well as human diets. Biological exchange therefore altered landscapes, not just commerce.

    Source: National Park Service — Columbian Exchange.

  196. 卡片 210

    问题

    What weakened the Inca state before Pizarro's seizure of Atahualpa?

    答案

    An imperial succession war and epidemic disease had destabilized the empire. Spanish forces exploited that crisis and existing political divisions.

    Source: Library of Congress — Claiming the Americas.

  197. 卡片 211

    问题

    What was the Middle Passage?

    答案

    It was the forced Atlantic voyage that carried captive Africans to the Americas. Overcrowding, violence, disease, and inadequate food and water caused immense suffering and death.

    Source: Smithsonian — The Middle Passage.

  198. 卡片 212

    问题

    What were maroon communities?

    答案

    They were settlements formed by people who escaped slavery, often in terrain difficult for colonial authorities to control. Maroons preserved autonomy and sometimes fought or negotiated with colonies.

    Source: Library of Congress — Slavery: The Peculiar Institution.

  199. 卡片 213

    问题

    How did Queen Njinga resist Portuguese expansion?

    答案

    She used warfare, diplomacy, and strategic movement to defend Ndongo and Matamba. Her long resistance limited Portugal's efforts to dominate the region and its slave trade.

    Source: The Met — Njinga, Queen of Ndongo.

  200. 卡片 214

    问题

    What did mestizo mean in Spanish colonial society?

    答案

    It generally referred to a person understood as having mixed Indigenous and European ancestry. The label carried social meaning, but its use varied by place and circumstance.

    Source: National Park Service — San Antonio's colonial communities.

  201. 卡片 215

    问题

    What was dead reckoning in early modern navigation?

    答案

    It was estimating a ship's position from its last known location, direction, speed, and elapsed time. Accumulated errors made the method increasingly uncertain on long voyages.

    Source: Smithsonian — Dead reckoning.

  202. 卡片 216

    问题

    Why did northern European sailors search for a Northwest Passage?

    答案

    They hoped to find a shorter Atlantic route through North America to Asian markets. Repeated failures still expanded European geographic knowledge of northern waters.

    Source: Royal Museums Greenwich — Research guide to exploration.

  203. 卡片 217

    问题

    How did Manila galleons connect American and Asian markets?

    答案

    They carried American silver to Manila and returned with Asian luxury goods, especially Chinese silk and porcelain. The route joined the Pacific to a wider global trading system.

    Source: The Met — Manila galleon trade.

  204. 卡片 218

    问题

    How did Atlantic plantation growth connect biological and labor exchanges?

    答案

    Transplanted cash crops created labor demand that colonizers met through coercion and the forced migration of Africans. Commodity exchange and human bondage expanded together.

    Source: Smithsonian — Forced Crossings.

  205. 卡片 219

    问题

    What was the immediate significance of Pizarro's 1532 capture of Atahualpa?

    答案

    It gave a small Spanish force leverage over the Inca political center. The capture accelerated conquest, though resistance to Spanish rule continued.

    Source: Library of Congress — Claiming the Americas.

  206. 卡片 221

    问题

    How did enslaved Africans preserve culture in the Americas?

    答案

    They adapted languages, music, religion, foodways, and family practices under coercive conditions. New African diasporic cultures mixed inherited traditions with American and European influences.

    Source: Smithsonian — Forced Crossings.

  207. 卡片 222

    问题

    Why did Queen Njinga shift alliances during her reign?

    答案

    She balanced Portuguese, Dutch, and African rivals to preserve her states' independence. Changing alliances were a practical response to regional power and Atlantic commerce.

    Source: The Met — Njinga, Queen of Ndongo.

  208. 卡片 223

    问题

    What did the Pueblo Revolt achieve?

    答案

    It drove Spanish authorities out of New Mexico for about twelve years. The success showed that Indigenous coalitions could temporarily reverse European colonial rule.

    Source: National Park Service — Spanish encounters at Pecos.

  209. 卡片 224

    问题

    What does the Biobío frontier reveal about Spanish control of Mapuche territory?

    答案

    By the mid-seventeenth century, the Biobío marked a border between Creole and Mapuche populations. Spain's wider American empire therefore did not erase Mapuche territorial autonomy.

    Source: UNESCO — Documents on Mapuche history.

  210. 卡片 225

    问题

    What drove the growth of the transatlantic slave trade after 1450?

    答案

    Expanding American plantation and mining economies demanded coerced labor on a massive scale. European merchants connected that demand to African systems of capture and sale.

    Source: Smithsonian — Forced Crossings.

  211. 卡片 226

    问题

    What major continuity accompanied maritime expansion from 1450 to 1750?

    答案

    Older regional trade networks and land empires continued even as Atlantic and Pacific routes expanded. Maritime empires redirected and intensified exchange rather than replacing every existing system.

    Sources: The Met — Interwoven Globe; The Met — South Asia, 1600–1800.

  212. 卡片 227

    问题

    What intellectual habit defined the Enlightenment?

    答案

    Enlightenment thinkers applied reason and criticism to politics, religion, society, and knowledge. They challenged claims that rested only on inherited authority or tradition.

    Source: Stanford Encyclopedia of Philosophy — Enlightenment.

  213. 卡片 228

    问题

    What political claim anchors the U.S. Declaration of Independence?

    答案

    Governments derive legitimate power from the governed and exist to secure equal, inherent rights. The declaration used Enlightenment ideas to justify independence in 1776.

    Source: U.S. National Archives — Declaration of Independence.

  214. 卡片 229

    问题

    What began the Haitian Revolution in 1791?

    答案

    A large uprising of enslaved people began in the French colony of Saint-Domingue. It grew into a struggle against slavery, colonial rule, and rival invading powers.

    Source: U.S. Office of the Historian — Haitian Revolution.

  215. 卡片 230

    问题

    How did Napoleon's invasion of Iberia encourage Latin American independence?

    答案

    The invasion weakened Spanish and Portuguese royal authority and created disputes over legitimate rule in the colonies. Local juntas and independence movements grew from that crisis.

    Source: Library of Congress — Independence from Spain.

  216. 卡片 231

    问题

    What did the creation of the Kingdom of Italy in 1861 represent?

    答案

    It represented the political unification of much of the Italian peninsula under a national monarchy. Nationalism helped turn cultural identity into a state-building project.

    Source: The Met — Southern Europe, 1800–1900.

  217. 卡片 232

    问题

    What principle drove nineteenth-century abolitionism?

    答案

    Abolitionists argued that human bondage was morally and politically incompatible with freedom. Their campaigns pressed states to end slave trading and legal slavery.

    Source: U.S. National Archives — Thirteenth Amendment.

  218. 卡片 233

    问题

    Where did sustained industrialization begin?

    答案

    It began in Britain in the late eighteenth century. British capital, coal, transport, markets, and changing production methods combined before similar systems spread elsewhere.

    Source: Library of Congress — British inventions and industry.

  219. 卡片 234

    问题

    Why did many creole elites support Latin American independence?

    答案

    They wanted greater political and economic control without subordination to officials born in Iberia. Their leadership often pursued sovereignty more readily than social equality.

    Source: Library of Congress — Independence from Spain.

  220. 卡片 235

    问题

    Which sectors led the later nineteenth-century industrial expansion?

    答案

    Steel manufacturing, petroleum refining, and electrical power became leading new sectors. Their growth depended on large firms, technical systems, and expanding transport and energy networks.

    Source: Library of Congress — Rise of Industrial America overview.

  221. 卡片 236

    问题

    Why did industrial workers form labor unions?

    答案

    They organized collectively for better wages, shorter hours, safer conditions, and bargaining power. A single worker had far less leverage over a large employer.

    Source: Library of Congress — Work in the late nineteenth century.

  222. 卡片 237

    问题

    Which rights did John Locke describe as natural?

    答案

    Locke argued that people possess rights to life, liberty, and property before government. Political authority should protect those rights rather than create them.

    Source: Library of Congress — State of Nature.

  223. 卡片 238

    问题

    Why was coal important to early industrialization?

    答案

    Coal supplied concentrated energy for steam engines and heat-intensive production. It let factories and transport use power beyond human, animal, and local water sources.

    Source: Science Museum Group — Haydock Colliery steam engine.

  224. 卡片 240

    问题

    Where did industrialization spread first beyond Britain?

    答案

    It spread unevenly into western Europe and the United States before much of the rest of the world. Access to capital, resources, skills, markets, and state support shaped the pace.

    Source: The Met — Nineteenth-century European textile production.

  225. 卡片 241

    问题

    What makes government legitimate in social-contract theory?

    答案

    Legitimate government rests on the consent of the governed. Political power is an agreement made for public purposes, not an unlimited possession of rulers.

    Source: Library of Congress — State of Nature.

  226. 卡片 242

    问题

    How did agricultural change support British industrialization?

    答案

    Higher farm output helped feed a growing population, while enclosure and other changes raised productivity. Historians still debate how directly enclosure pushed permanent migration to industrial towns.

    Source: UK Parliament — Enclosing the land.

  227. 卡片 243

    问题

    What did the Bessemer process change about steel production?

    答案

    It made steel faster and cheaper to produce in large quantities. Affordable steel supported railways, bridges, machines, ships, and urban construction.

    Source: Science Museum Group — Bessemer converter.

  228. 卡片 244

    问题

    What industrial problem did socialist movements seek to solve?

    答案

    They challenged extreme inequality and private control of productive wealth. Socialist proposals varied, but they generally favored stronger collective ownership or regulation than liberal capitalism did.

    Source: Library of Congress — Manifesto of the Communist Party.

  229. 卡片 245

    问题

    When did Locke's political theory justify resistance to government?

    答案

    Resistance was justified when rulers systematically violated natural rights and broke the political trust. This idea supplied later revolutionaries with a language for rejecting tyranny.

    Source: Library of Congress — State of Nature.

  230. 卡片 247

    问题

    What political crisis forced Louis XVI to summon the Estates-General in 1789?

    答案

    A severe fiscal crisis left the monarchy unable to reform taxation without broader consent. The meeting opened a struggle over representation and sovereignty that became revolution.

    Source: Archives nationales — Building a new political order in 1789.

  231. 卡片 249

    问题

    What was Simón Bolívar's main political achievement?

    答案

    He led campaigns that helped win independence across northern South America. His larger project of durable regional unity did not survive the postwar political divisions.

    Source: Smithsonian — Latin American independence days.

  232. 卡片 250

    问题

    What political safeguard did Montesquieu associate with liberty?

    答案

    He argued for dividing government powers so no single authority could dominate. Later constitutional systems adapted this principle as separation of powers and checks on officeholders.

    Source: Stanford Encyclopedia of Philosophy — Enlightenment.

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  233. 卡片 252

    问题

    How did the U.S. government support railroad expansion?

    答案

    Congress authorized routes and provided land and legal support to railroad corporations. Public policy helped private companies build infrastructure on a continental scale.

    Source: Library of Congress — Railroads in the late nineteenth century.

  234. 卡片 253

    问题

    What did Miguel Hidalgo's 1810 uprising begin?

    答案

    It began the mass struggle that became Mexico's war for independence. Hidalgo's call mobilized rural and Indigenous supporters before royalists defeated his forces.

    Source: Library of Congress — Independence from Spain.

  235. 卡片 254

    问题

    How did Marx and Engels interpret industrial class conflict?

    答案

    They argued that conflict between owners and wage workers drove capitalist society toward revolutionary change. Their 1848 manifesto called for workers to overturn bourgeois property relations.

    Source: Library of Congress — Manifesto of the Communist Party.

  236. 卡片 255

    问题

    What did Rousseau mean by popular sovereignty?

    答案

    Political authority ultimately belongs to the people, who should make laws for their common good. Rousseau's general will was not simply the preference of a monarch or privileged estate.

    Source: Stanford Encyclopedia of Philosophy — Enlightenment.

  237. 卡片 256

    问题

    Why did the fall of the Bastille become a revolutionary symbol?

    答案

    Parisians captured a royal fortress associated with arbitrary authority on July 14, 1789. The event showed that popular action could overturn symbols and instruments of monarchy.

    Source: Élysée — Bastille Day, 14 July.

  238. 卡片 257

    问题

    What role did Toussaint Louverture play in the Haitian Revolution?

    答案

    He became the revolution's leading general and governor, defeating rival forces while defending emancipation. France seized him in 1802, but the independence struggle continued.

    Source: Smithsonian — Toussaint Louverture.

  239. 卡片 259

    问题

    What defined the factory system?

    答案

    Employers gathered workers and machines in one workplace under centralized supervision and time discipline. Production moved away from much household-based craft work.

    Source: UK Parliament — The 1833 Factory Act.

  240. 卡片 260

    问题

    How did the Meiji state promote Japanese industrialization?

    答案

    It sponsored infrastructure, modern institutions, and model industries before transferring many enterprises to private owners. State direction accelerated selective borrowing from industrial powers.

    Source: The Met — Japan, 1800–1900.

  241. 卡片 261

    问题

    What advantage did steamships have over sailing ships?

    答案

    Steamships could move on more predictable schedules without depending entirely on wind. Regular service tightened links among industrial ports, markets, and empires.

    Source: Smithsonian — Time and Navigation.

  242. 卡片 262

    问题

    What did Britain's 1833 Factory Act regulate?

    答案

    It limited children's factory work and created inspectors to enforce rules in textile mills. The law marked growing state intervention in industrial labor conditions.

    Source: UK Parliament — The 1833 Factory Act.

  243. 卡片 263

    问题

    What freedom did Voltaire defend against religious persecution?

    答案

    He defended religious toleration and criticized coercion by established churches. His arguments made freedom of conscience a central Enlightenment concern.

    Source: Stanford Encyclopedia of Philosophy — Toleration.

  244. 卡片 264

    问题

    What did the Declaration of the Rights of Man and of the Citizen proclaim?

    答案

    It proclaimed legal equality, rights, and national sovereignty as principles of the new French order. In practice, disputes remained over who fully counted as a citizen.

    Source: Library of Congress — Declaration of the Rights of Man.

  245. 卡片 265

    问题

    Which state emerged from the Haitian Revolution in 1804?

    答案

    Haiti declared independence from France in 1804. The new state emerged from a revolution that destroyed colonial slavery in Saint-Domingue.

    Source: UNESCO — National History Park, Haiti.

  246. 卡片 266

    问题

    What did Mexico's Plan of Iguala propose in 1821?

    答案

    It joined independence with protection for Catholicism and social guarantees for major elite groups. The plan helped unite former opponents behind separation from Spain.

    Source: Library of Congress — Independence from Spain.

  247. 卡片 267

    问题

    What did the U.S. Thirteenth Amendment do?

    答案

    It abolished slavery and involuntary servitude in the United States except as punishment for a crime. Ratification in 1865 made wartime emancipation a constitutional rule.

    Source: U.S. National Archives — Thirteenth Amendment.

  248. 卡片 268

    问题

    What limit did water power place on early factories?

    答案

    Water-powered mills had to stand near dependable flowing water. Steam power later gave factory owners more freedom to locate near workers, fuel, and markets.

    Source: Science Museum Group — James Watt.

  249. 卡片 269

    问题

    How did the Russian state drive late nineteenth-century industrialization?

    答案

    The government backed rail construction and heavy industry, drawing on foreign capital and taxation. The Trans-Siberian Railway became the clearest state-led infrastructure project.

    Source: Library of Congress — Trans-Siberian Railroad.

  250. 卡片 270

    问题

    What did the electric telegraph change about communication?

    答案

    It sent coded messages over wires far faster than physical transport. Businesses, governments, and news networks could coordinate across long distances with much less delay.

    Source: Science Museum — Information Age guide.

  251. 卡片 273

    问题

    How did Mary Wollstonecraft extend Enlightenment arguments?

    答案

    She applied claims about reason and education to women, arguing that unequal schooling produced much of their supposed inferiority. Political reform was incomplete while women remained subordinate.

    Source: Stanford Encyclopedia of Philosophy — Mary Wollstonecraft.

  252. 卡片 274

    问题

    What happened to feudal privilege during the French Revolution?

    答案

    Revolutionary lawmakers dismantled legal privileges tied to estates and seigneurial authority. The change attacked inherited status as a basis for public rights.

    Source: Archives nationales — Building a new political order in 1789.

  253. 卡片 276

    问题

    How did Brazil's independence differ from most Spanish American revolutions?

    答案

    Brazil separated from Portugal under Pedro, a member of the Portuguese royal family, and remained a monarchy. Political independence therefore preserved more dynastic continuity.

    Source: Library of Congress — Empire of Brazil.

  254. 卡片 277

    问题

    What did the proclamation of the German Empire in 1871 complete?

    答案

    It completed Prussian-led unification of most German states under one empire. War and state power, not popular nationalism alone, shaped the outcome.

    Source: Library of Congress — The German Empire.

  255. 卡片 278

    问题

    What did the 1848 Seneca Falls Convention demand?

    答案

    It demanded broader civil, social, and political rights for women in the United States. The meeting made women's equality an organized reform program.

    Source: Smithsonian — Declaration of Sentiments table.

  256. 卡片 279

    问题

    Why were James Watt's steam-engine improvements important?

    答案

    They made steam engines more efficient and useful across industrial settings. Improved engines powered machinery, mines, and later transport on a larger scale.

    Source: Science Museum Group — James Watt.

  257. 卡片 280

    问题

    What was Muhammad Ali's economic goal in nineteenth-century Egypt?

    答案

    He sought a stronger, more autonomous state through military, administrative, and economic reform. State-directed production and cotton exports helped finance that program.

    Source: The Met — Egypt and North Africa, 1800–1900.

  258. 卡片 281

    问题

    Why did large corporations expand during industrialization?

    答案

    Railways and mass production required more capital and coordination than most individual owners could supply. Corporations gathered investment while separating ownership into shares.

    Source: Library of Congress — Industrial Revolution in the United States.

  259. 卡片 282

    问题

    Which social classes grew with industrial capitalism?

    答案

    An industrial working class and an expanding middle class of managers, professionals, and business owners became more prominent. Their interests and living conditions often diverged sharply.

    Source: Library of Congress — Work in the late nineteenth century.

  260. 卡片 283

    问题

    How did Adam Smith challenge mercantilist ideas?

    答案

    He argued that specialization and exchange could increase productivity and broaden prosperity. He also attacked protectionist interests and the claim that tightly controlled trade was the main route to national wealth.

    Source: University of Glasgow — Adam Smith’s Wealth of Nations.

  261. 卡片 287

    问题

    What is nationalism?

    答案

    Nationalism is the belief that a people understood as a nation should share political loyalty and often self-government. It could unify states, break empires apart, or exclude minorities.

    Source: The Met — Southern Europe, 1800–1900.

  262. 卡片 288

    问题

    Why did the Declaration of Sentiments echo the U.S. Declaration of Independence?

    答案

    Its authors reused familiar revolutionary language to expose women's exclusion from proclaimed equality. The structure turned an accepted national ideal into a critique of gender inequality.

    Source: U.S. National Archives — A Declaration for the Rights of Women.

  263. 卡片 289

    问题

    What energy transition marked industrialization?

    答案

    Production shifted toward fossil fuels, especially coal, as major sources of mechanical power and heat. That transition supported sustained output beyond older organic energy limits.

    Source: Science Museum — In Pursuit of Power.

  264. 卡片 291

    问题

    How did nineteenth-century free-trade ideas challenge mercantilism?

    答案

    They favored wider exchange and fewer protectionist monopolies. Adam Smith’s earlier critique supplied influential arguments, although states did not abandon tariffs and commercial controls uniformly.

    Source: University of Glasgow — Adam Smith’s Wealth of Nations.

  265. 卡片 294

    问题

    How did industrialization encourage nineteenth-century imperial expansion?

    答案

    Industrial states sought raw materials, investment opportunities, and markets for manufactured goods. Economic motives mixed with strategy, nationalism, and ideology rather than acting alone.

    Source: The Met — The Art of Africa: A Resource for Educators.

  266. 卡片 295

    问题

    What was the Scramble for Africa?

    答案

    It was the rapid late nineteenth-century seizure and division of most African territory by European powers. By 1914, only Ethiopia and Liberia remained outside formal European colonial rule.

    Source: The Met — The Art of Africa: A Resource for Educators.

  267. 卡片 296

    问题

    How did British colonial administration vary across Burma?

    答案

    British officials governed some areas directly and controlled others indirectly through local rulers. The contrast shows that one colony could combine different systems of imperial rule.

    Source: British Museum — Burma to Myanmar.

  268. 卡片 297

    问题

    Why was the Suez Canal strategically important after 1869?

    答案

    It shortened the sea route between Europe and the Indian Ocean by linking the Mediterranean and Red Sea. The canal made Egypt more important to imperial trade and naval planning.

    Source: The Met — Egypt and North Africa, 1800–1900.

  269. 卡片 298

    问题

    What was French Indochina?

    答案

    France joined its rule over Vietnam and Cambodia into the Indochinese Union, with Laos added soon after. The federation organized several conquered societies under one colonial structure.

    Source: The Met — Southeast Asia, 1800–1900.

  270. 卡片 299

    问题

    What happened to Indigenous land as British settlement expanded in Australia?

    答案

    Settlers occupied pastoral and farming land, displacing Aboriginal communities and restricting access to country. Expansion brought frontier violence, disease, and coerced movement.

    Source: National Museum of Australia — Pastoral frontier.

  271. 卡片 300

    问题

    How did Samori Touré resist French expansion?

    答案

    He built a West African state, equipped a mobile army, and shifted territory and supply lines during prolonged war. French forces captured him in 1898 after years of resistance.

    Source: UNESCO — General History of Africa VII.

  272. 卡片 301

    问题

    How did imperial rule reshape many colonial economies?

    答案

    Colonies became more specialized in exporting raw materials and cash crops while importing manufactured goods. That pattern tied local livelihoods closely to distant prices and imperial demand.

    Source: The Met — Southeast Asia, 1800–1900.

  273. 卡片 302

    问题

    Why were nineteenth-century treaties with China called unequal treaties?

    答案

    Foreign powers extracted privileged trade, residence, tariff, and legal rights after using military pressure. The agreements limited Qing sovereignty without formally colonizing all of China.

    Source: U.S. Office of the Historian — Second Opium War.

  274. 卡片 303

    问题

    Why did indentured labor expand after slavery was abolished?

    答案

    Plantation owners still wanted a cheap, controlled workforce and recruited laborers under fixed contracts. Indenture was legally distinct from slavery but often involved deception, restriction, and harsh coercion.

    Source: UNESCO — Aapravasi Ghat.

  275. 卡片 304

    问题

    What did the Treaty of Waitangi establish in 1840?

    答案

    It created an agreement between the British Crown and more than 500 Māori rangatira, followed by Britain's colonial declaration. Different Māori and English texts carried conflicting meanings about governance and sovereignty.

    Source: Archives New Zealand — The Treaty of Waitangi and how it happened.

  276. 卡片 305

    问题

    Why did imperial states seek ports and canals?

    答案

    Strategic ports and canals shortened routes, supplied fleets, and protected trade. Control of chokepoints could turn geography into military and commercial leverage.

    Source: The Met — Egypt and North Africa, 1800–1900.

  277. 卡片 306

    问题

    What risk came with colonial cash-crop specialization?

    答案

    Land and labor shifted away from subsistence production, making communities more vulnerable to food shortages and price changes. Export growth could coexist with local impoverishment.

    Source: The Met — Southeast Asia, 1800–1900.

  278. 卡片 307

    问题

    Where did many Indian indentured laborers work?

    答案

    They worked on plantations in Mauritius, the Caribbean, Fiji, southern and eastern Africa, and other colonies. Their contracts created a far-reaching Indian Ocean and Atlantic diaspora.

    Source: UNESCO — Records of Indian indentured laborers.

  279. 卡片 308

    问题

    What central issue drove the New Zealand Wars?

    答案

    Conflict centered on sovereignty and settler pressure for Māori land. Māori communities used both armed resistance and political organization against expanding colonial authority.

    Source: New Zealand History — New Zealand Wars.

  280. 卡片 309

    问题

    How did nationalism support imperialism?

    答案

    Politicians presented colonies as proof of national strength and international rank. Rival states competed for territory partly because empire had become a measure of prestige.

    Source: The Met — The Art of Africa: A Resource for Educators.

  281. 卡片 310

    问题

    Why did imperial demand for rubber grow in the late nineteenth century?

    答案

    Industrial uses for belts, insulation, and tires made rubber increasingly valuable. Colonial regimes turned tropical environments and coerced labor into export supplies.

    Source: Library of Congress — Belgian Congo.

  282. 卡片 311

    问题

    What work drew many Chinese migrants overseas in the nineteenth century?

    答案

    Railroad construction, mining, plantations, and service trades drew many Chinese laborers to the Americas and Southeast Asia. Employers valued mobile labor while often subjecting migrants to discrimination.

    Source: Library of Congress — Chinese American song and migration.

  283. 卡片 312

    问题

    How did U.S. westward expansion affect Indigenous nations?

    答案

    Settler migration and federal policy drove land cessions, forced removals, confinement, and warfare. Expansion repeatedly violated Indigenous sovereignty and access to traditional resources.

    Source: National Park Service — American expansion and Indian removal.

  284. 卡片 313

    问题

    How did Christian missions accompany imperial expansion?

    答案

    Missionaries founded churches and schools and sought converts in colonized regions. They sometimes criticized abuses, but missions also spread cultural assumptions used to legitimize colonial rule.

    Source: The Met — Southeast Asia, 1800–1900.

  285. 卡片 314

    问题

    Why compare primary and secondary sources on the same event?

    答案

    The comparison links evidence from the period with later interpretation. It can show where an interpretation is well supported, where it goes beyond the surviving record, and what remains disputed.

    Source: Library of Congress — Getting Started with Primary Sources.

  286. 卡片 315

    问题

    What was a foreign sphere of influence in China?

    答案

    It was an area where an outside power claimed special commercial or strategic privileges without directly annexing the whole territory. Several empires competed for such advantages.

    Source: U.S. Office of the Historian — Open Door in China.

  287. 卡片 316

    问题

    What caused mass Irish emigration after 1845?

    答案

    Potato blight triggered a devastating famine on top of older poverty and land pressures. Death and displacement drove a major migration to North America and Britain.

    Source: Library of Congress — Irish Catholic immigration.

  288. 卡片 317

    问题

    Why did Russia expand into Central Asia?

    答案

    Russian rulers sought strategic advantage against Britain, access to raw materials such as cotton, and markets for Russian goods. By the 1890s, conquest had fixed much of the empire's southern frontier.

    Source: The Met — Central and North Asia, 1800–1900.

  289. 卡片 318

    问题

    What did imperial powers mean by a civilizing mission?

    答案

    They claimed a moral duty to impose their institutions and culture on colonized peoples. The rhetoric rested on racial hierarchy and presented unequal rule as a benefit to the people whose sovereignty was taken.

    Source: Imperial War Museums — Emergency Exits large-print guide.

  290. 卡片 319

    问题

    What was the Dutch Cultivation System in Indonesia?

    答案

    It compelled many farmers to devote land or labor to export crops for the colonial state. The system raised Dutch revenue while contributing to hardship and famine in parts of Java.

    Source: The Met — Southeast Asia, 1800–1900.

  291. 卡片 320

    问题

    Why did millions of Europeans migrate overseas from 1750 to 1900?

    答案

    Population growth, poverty, land scarcity, political or religious pressure, and new wage opportunities pushed and pulled migrants. Cheaper steam transport made long-distance movement more practical.

    Source: Library of Congress — Immigration challenges for new Americans.

  292. 卡片 321

    问题

    What did Japan gain from the First Sino-Japanese War?

    答案

    Japan gained Taiwan and recognition of stronger influence in Korea after defeating Qing China in 1894–1895. The victory marked Japan's emergence as an imperial power.

    Source: The Met — Japan, 1800–1900.

  293. 卡片 322

    问题

    How did colonial rule change Burma's economy?

    答案

    British rule shifted much of Burma from subsistence farming toward large-scale export production. The change tied land, labor, and credit more closely to world markets.

    Source: The Met — Southeast Asia, 1800–1900.

  294. 卡片 324

    问题

    Why did migrant communities form ethnic enclaves?

    答案

    Dense neighborhoods offered familiar language, food, worship, work contacts, credit, and mutual protection. Enclaves helped newcomers adapt while preserving ties and traditions.

    Source: Library of Congress — Building Chinese communities.

  295. 卡片 325

    问题

    What was the significance of Ethiopia's victory at Adwa in 1896?

    答案

    Ethiopian forces defeated an invading Italian army and preserved the state's independence. Adwa became a powerful example that European conquest was not inevitable.

    Source: The Met — Eastern Africa, 1800–1900.

  296. 卡片 326

    问题

    How did Social Darwinists misuse evolutionary ideas?

    答案

    They falsely applied biological competition to human societies and ranked peoples as stronger or weaker. Imperialists used this pseudoscience to portray domination as natural.

    Source: USHMM — Eugenics, racism, and imperialism.

  297. 卡片 327

    问题

    What did the Berlin Conference of 1884–1885 regulate?

    答案

    European representatives set rules for recognizing claims and commerce in Africa. They did not invite African societies to decide the continent's political future.

    Source: The Met — The Art of Africa: A Resource for Educators.

  298. 卡片 328

    问题

    What did the U.S. Chinese Exclusion Act of 1882 do?

    答案

    It suspended immigration by Chinese laborers and barred Chinese residents from naturalization. The law turned racial hostility into a major federal immigration restriction.

    Source: U.S. National Archives — Chinese Exclusion Act.

  299. 卡片 329

    问题

    What grievances contributed to the Indian Rebellion of 1857?

    答案

    Military complaints, annexations, economic disruption, and fears of religious interference combined across different groups. The disputed rifle cartridges became a trigger, not the rebellion's only cause.

    Source: UK National Archives — India in 1857.

  300. 卡片 330

    问题

    When did Britain occupy Egypt?

    答案

    British forces occupied Egypt in 1882. Britain sought to protect the Suez route and financial interests while leaving the Ottoman legal connection formally in place.

    Source: National Army Museum — Egypt and Sudan.

  301. 卡片 331

    问题

    What did the Opium Wars force the Qing state to accept?

    答案

    Military defeat forced China to open more ports and grant foreign powers commercial and legal privileges. The resulting treaty system reduced Qing control over trade and jurisdiction.

    Source: U.S. Office of the Historian — Second Opium War.

  302. 卡片 332

    问题

    How did Māori adapt warfare against British colonial forces?

    答案

    Māori fighters combined firearms with fortified pā designed to absorb artillery and protect defenders. Adaptation prolonged resistance despite the colony's larger material resources.

    Source: New Zealand History — New Zealand Wars.

  303. 卡片 334

    问题

    Why did Mexico invite foreign railway investment under Porfirio Díaz?

    答案

    Mexico lacked enough domestic capital for rapid railway construction and wanted stronger links between ports, cities, and markets. Foreign ownership brought infrastructure but also arguments over sovereignty and control.

    Source: Library of Congress — Mexico during the Porfiriato.

  304. 卡片 335

    问题

    What does continuity-and-change reasoning require?

    答案

    It identifies what persisted and what changed across a defined period. The explanation should use evidence from more than one point in time and judge the scale or significance of the change.

    Source: Library of Congress — Primary Sources and Standards.

  305. 卡片 336

    问题

    How did indentured migration reshape destination societies?

    答案

    Migrants built diasporic communities that changed local economies, politics, religions, languages, and foodways. Their descendants made temporary labor routes into lasting social connections.

    Source: UNESCO — Records of Indentured Immigration.

  306. 卡片 337

    问题

    What was scientific racism?

    答案

    It was the false claim that humanity could be divided into biological races ranked by inherited ability or worth. Such ideas supplied an invented scientific justification for empire and discrimination.

    Source: USHMM — Eugenics, racism, and imperialism.

  307. 卡片 338

    问题

    How did the Congo Free State differ from an ordinary Belgian colony?

    答案

    It was initially the personal sovereign domain of Belgium's King Leopold II, not a colony governed by the Belgian state. International recognition gave his private regime territorial power.

    Source: Library of Congress — Belgian Congo.

  308. 卡片 339

    问题

    What political change followed the Indian Rebellion of 1857?

    答案

    Britain dissolved East India Company rule and placed India under the Crown. Colonial government became more centralized while British authorities treated princes and religious customs more cautiously.

    Source: UK National Archives — India in 1857.

  309. 卡片 340

    问题

    What made French Algeria a settler colony?

    答案

    Large numbers of Europeans settled under French rule while Indigenous Algerians lost land and political power. Colonization involved both military conquest and a durable settler society.

    Source: The Met — Egypt and North Africa, 1800–1900.

  310. 卡片 341

    问题

    What made the Aceh War difficult for Dutch forces?

    答案

    Acehnese resistance drew on local authority, Islamic networks, and guerrilla warfare over decades. Dutch conquest of the Indonesian archipelago was therefore prolonged rather than automatic.

    Source: The Met — Southeast Asia, 1800–1900.

  311. 卡片 342

    问题

    What happened at Wounded Knee in 1890?

    答案

    U.S. soldiers killed hundreds of largely unarmed Lakota men, women, and children. The massacre followed official fear of the Ghost Dance movement and became a symbol of the violent enforcement of reservation rule.

    Source: U.S. National Park Service — Black Elk.

  312. 卡片 343

    问题

    How did the Ombilin railway in colonial Sumatra serve resource extraction?

    答案

    It linked inland coal mines to processing facilities and the port of Emmahaven for shipment. The Netherlands East Indies government built the railway as part of an integrated system for extracting and exporting coal.

    Source: UNESCO World Heritage Centre — Ombilin Coal Mining Heritage.

  313. 卡片 345

    问题

    How did chain migration sustain nineteenth-century migration?

    答案

    Earlier migrants sent money, information, and practical help to relatives and neighbors who followed them. Personal networks lowered the cost and uncertainty of moving abroad.

    Source: Library of Congress — Irish adaptation and assimilation.

  314. 卡片 346

    问题

    Which technologies widened the military gap during nineteenth-century imperialism?

    答案

    Steam transport, railways, telegraphs, modern rifles, artillery, and machine guns improved movement, coordination, and firepower. Technology enabled conquest but did not eliminate resistance.

    Sources: Science Museum — Information Age guide; National Army Museum — Zulu War.

  315. 卡片 348

    问题

    Why was the Indian National Congress founded in 1885?

    答案

    Educated Indian leaders created a nationwide forum to press for greater participation and reform under British rule. It later became a major vehicle of anticolonial nationalism.

    Source: The Met — South Asia, 1800–1900.

  316. 卡片 349

    问题

    What did the Mahdist movement establish in Sudan?

    答案

    It defeated the Egyptian-British regime and created an independent Islamic state in the 1880s. The movement joined religious renewal to resistance against outside rule.

    Source: National Army Museum — Egypt and Sudan.

  317. 卡片 350

    问题

    What was the Qing Self-Strengthening Movement trying to achieve?

    答案

    Officials sought modern weapons, industry, and technical knowledge while preserving the Qing political and cultural order. The program was selective state adaptation under foreign pressure.

    Source: Library of Congress — Jiangnan Arsenal record.

  318. 卡片 351

    问题

    How did Aboriginal Australians resist settler expansion?

    答案

    Communities defended country through armed resistance, mobility, survival, and continued cultural practice. Frontier conflict accompanied settlement wherever colonists occupied Indigenous land.

    Source: National Museum of Australia — Encounters.

  319. 卡片 352

    问题

    What did the Zulu victory at Isandlwana demonstrate in 1879?

    答案

    Zulu forces could defeat a modern European army through disciplined mass tactics and local advantage. Britain later reinforced and conquered Zululand, so the victory did not end the war.

    Source: National Army Museum — Zulu War.

  320. 卡片 353

    问题

    How could export plantations alter colonial environments?

    答案

    They replaced diverse local land use with large areas devoted to a few commercial crops. Forest clearing, soil pressure, and dependence on monoculture followed in many regions.

    Source: The Met — Southeast Asia, 1800–1900.

  321. 卡片 354

    问题

    How did guano exports transform nineteenth-century Peru?

    答案

    European demand for fertilizer made coastal guano a major source of state revenue and foreign finance. Dependence on one export also tied public finances to an exhaustible commodity.

    Source: UNESCO — Peru's Guano Era.

  322. 卡片 356

    问题

    What political change followed the 1911 Revolution in China?

    答案

    The Qing dynasty fell and a republic replaced imperial rule. The change ended China's dynastic system, although political fragmentation continued.

    Source: Library of Congress.

  323. 卡片 357

    问题

    How did imperial rivalry contribute to World War I?

    答案

    Competition for colonies, markets, and strategic influence deepened distrust among the European powers. It made regional crises part of a wider contest for global power.

    Source: National WWI Museum and Memorial.

  324. 卡片 358

    问题

    What made World War I a total war?

    答案

    States mobilized civilian economies, labor, information, and food supplies alongside their armed forces. The war blurred the boundary between the battlefront and the home front.

    Source: Imperial War Museums.

  325. 卡片 359

    问题

    Why did the Great Depression spread beyond the United States?

    答案

    International lending, trade, and the gold standard linked national economies, so financial collapse and falling demand crossed borders. Interdependence transmitted the shock worldwide.

    Source: Federal Reserve History.

  326. 卡片 360

    问题

    What burden did the Treaty of Versailles place on Germany?

    答案

    The treaty imposed territorial losses, military limits, reparations, and responsibility for war damages. These terms fed German resentment even though they did not by themselves cause Nazism.

    Source: United States Holocaust Memorial Museum.

  327. 卡片 361

    问题

    How did fascist ideology contribute to World War II?

    答案

    Fascist regimes glorified hierarchy, militarism, territorial expansion, and obedience to the state. Those commitments made aggressive war a political goal rather than merely a diplomatic failure.

    Source: United States Holocaust Memorial Museum.

  328. 卡片 362

    问题

    How did World War II deepen total-war mobilization?

    答案

    States redirected industry, science, labor, and food systems toward military survival on an immense scale. Civilian production and daily life became direct parts of the war effort.

    Source: Imperial War Museums.

  329. 卡片 363

    问题

    What was the Holocaust?

    答案

    The Holocaust was Nazi Germany's systematic, state-sponsored persecution and murder of six million European Jews. It joined racial ideology to modern bureaucracy, occupation, and mass killing.

    Source: United States Holocaust Memorial Museum.

  330. 卡片 364

    问题

    How did Europe's alliance system widen the crisis of 1914?

    答案

    Alliance commitments encouraged governments to treat a local dispute as a threat to their partners. Mobilization then pulled several powers into war in rapid succession.

    Source: National WWI Museum and Memorial.

  331. 卡片 365

    问题

    Why was conscription important to World War I?

    答案

    Conscription let states sustain mass armies through years of industrial warfare. It also extended government demands directly into family and working life.

    Source: Imperial War Museums.

  332. 卡片 366

    问题

    How did the Great Depression change government's economic role?

    答案

    Many governments intervened more directly through relief, regulation, public works, or economic planning. The crisis weakened confidence that markets would quickly correct themselves.

    Source: Federal Reserve History.

  333. 卡片 367

    问题

    How did Nazi ideology and state power combine in the Holocaust?

    答案

    Antisemitic racial ideology defined Jews as an enemy, while state institutions identified, dispossessed, deported, and murdered them. Ideas became genocide through organized governmental capacity.

    Source: United States Holocaust Memorial Museum.

  334. 卡片 368

    问题

    What mobilization pattern did opposing World War II regimes share?

    答案

    Both democratic and authoritarian states expanded economic direction, rationing, propaganda, and mass military service. Their political systems differed, but total war enlarged state power in each.

    Source: Imperial War Museums.

  335. 卡片 369

    问题

    Why establish chronology before arguing causation?

    答案

    A proposed cause must occur before the outcome it is meant to explain. Chronology cannot prove causation by itself, but it rules out impossible sequences and clarifies competing explanations.

    Source: U.S. National Archives — Document Analysis.

  336. 卡片 370

    问题

    Why did World War I help trigger the Russian Revolution of 1917?

    答案

    Food-supply collapse, war weariness, military failure, and little prospect of victory broke confidence in the regime. Mass protest forced the tsar to abdicate, and continued war weakened the provisional government before the Bolshevik takeover.

    Source: Imperial War Museums — First World War large-print guide.

  337. 卡片 371

    问题

    Why were the Balkans a flashpoint before World War I?

    答案

    Competing national movements challenged Ottoman and Austro-Hungarian authority while nearby powers pursued influence. That overlap made Balkan disputes unusually likely to draw in larger states.

    Source: National WWI Museum and Memorial.

  338. 卡片 372

    问题

    Which group besides Jews was targeted for genocide by Nazi Germany?

    答案

    European Roma were targeted for racial persecution and mass murder. Their fate shows that Nazi racial policy attacked several communities while the Holocaust centered on the genocide of Jews.

    Source: United States Holocaust Memorial Museum.

  339. 卡片 373

    问题

    What role did propaganda play in World War I?

    答案

    Governments used mass communication to recruit, raise money, defend sacrifice, and shape views of the enemy. Propaganda made control of public opinion part of modern warfare.

    Source: U.S. National Archives.

  340. 卡片 374

    问题

    What was the main purpose of Stalin's Five-Year Plans?

    答案

    The plans directed investment toward rapid, state-controlled industrialization. They expanded heavy industry while subordinating consumer needs and local choice to central targets.

    Source: Library of Congress.

  341. 卡片 375

    问题

    Why did League of Nations mandates disappoint many anti-colonial activists?

    答案

    Mandates transferred former German and Ottoman territories to outside administration instead of granting immediate self-rule. Imperial control continued under new international language.

    Source: United Nations.

  342. 卡片 376

    问题

    Why did strategic bombing make civilians central targets in World War II?

    答案

    Air forces attacked industrial cities, transport, and worker housing to disrupt production and morale. The strategy extended organized violence far beyond front lines.

    Source: Imperial War Museums.

  343. 卡片 378

    问题

    What major political result came from the Bolshevik Revolution?

    答案

    The Bolsheviks built the world's first durable communist state. Their victory made revolutionary socialism a governing model and a global political force.

    Source: Library of Congress.

  344. 卡片 379

    问题

    What event immediately triggered World War I?

    答案

    The assassination of Archduke Franz Ferdinand in Sarajevo triggered the July Crisis of 1914. The killing activated tensions that alliances, nationalism, and militarization had already built.

    Source: National WWI Museum and Memorial.

  345. 卡片 380

    问题

    How did colonies support imperial powers during World War I?

    答案

    Colonies supplied soldiers, laborers, food, raw materials, and tax revenue. Their contributions exposed how strongly European warfare depended on imperial subjects.

    Source: Imperial War Museums.

  346. 卡片 383

    问题

    What makes a historical thesis defensible?

    答案

    It gives a specific answer that can be tested against historical evidence. A defensible thesis interprets the evidence rather than merely naming the topic or repeating the question.

    Source: Library of Congress — Primary Sources and Standards.

  347. 卡片 385

    问题

    What policy was central to the Cambodian genocide under the Khmer Rouge?

    答案

    The Khmer Rouge forced people from cities into coerced rural labor while targeting perceived political, social, and ethnic enemies. Starvation, overwork, execution, and disease killed a vast share of Cambodia's population.

    Sources: United States Holocaust Memorial Museum; United Nations.

  348. 卡片 386

    问题

    How did World War I reshape the Ottoman Empire?

    答案

    Defeat dissolved the Ottoman Empire and placed many former Arab provinces under European mandates. New borders changed political authority without ending outside control.

    Source: United Nations.

  349. 卡片 387

    问题

    How did militarism raise the risk of World War I?

    答案

    Large standing armies, arms competition, and rigid mobilization plans made military action seem both credible and urgent. Once mobilization began, leaders had less room to slow the crisis.

    Source: National WWI Museum and Memorial.

  350. 卡片 388

    问题

    Why did trench warfare produce stalemate on the Western Front?

    答案

    Defensive firepower could stop exposed attackers faster than armies could exploit a breakthrough. Trenches protected defenders while artillery and machine guns made frontal assaults costly.

    Source: National WWI Museum and Memorial.

  351. 卡片 389

    问题

    How did Nazi Germany organize its economy?

    答案

    The regime kept much private property but directed labor and industry toward state priorities, especially rearmament and national power. Political control mattered more than free competition.

    Source: United States Holocaust Memorial Museum.

  352. 卡片 390

    问题

    Why was Japan's 1931 seizure of Manchuria a warning sign?

    答案

    It showed that a major power could use force for territorial expansion while the League of Nations failed to reverse the aggression. That failure weakened collective security.

    Source: U.S. Department of State, Office of the Historian.

  353. 卡片 391

    问题

    What drove Japan's expansion in East Asia before World War II?

    答案

    Military leaders sought strategic security, resources, and regional dominance through empire. The invasion of China made that expansion a central part of the wider war.

    Source: U.S. Department of State, Office of the Historian.

  354. 卡片 392

    问题

    Why was the Eastern Front decisive in World War II?

    答案

    The Soviet-German struggle consumed much of Nazi Germany's military strength and produced enormous losses. Soviet advances then drove German forces back toward Berlin.

    Source: United States Holocaust Memorial Museum.

  355. 卡片 393

    问题

    What organized the 1994 genocide against the Tutsi in Rwanda?

    答案

    Extremist leaders used state institutions, militias, media, and local authority to direct mass killing of Tutsi and opponents. The violence was organized, not a spontaneous eruption of ancient hatred.

    Sources: United States Holocaust Memorial Museum; United Nations.

  356. 卡片 394

    问题

    What condition helped launch the Mexican Revolution in 1910?

    答案

    Porfirio Díaz's long dictatorship concentrated political power and intensified disputes over land and inequality. Opposition to that order opened a prolonged revolutionary struggle.

    Source: Library of Congress.

  357. 卡片 395

    问题

    Why did the 1914 European war become a world war?

    答案

    Imperial networks carried troops, labor, resources, and combat across Africa, Asia, the Middle East, and the Pacific. Colonial empires globalized a conflict that began in Europe.

    Source: Imperial War Museums.

  358. 卡片 396

    问题

    How did industrial weapons change combat in World War I?

    答案

    Rapid-fire weapons and heavy artillery delivered destruction at a scale that older battlefield tactics could not absorb. Industrial capacity became as important as battlefield courage.

    Source: National WWI Museum and Memorial.

  359. 卡片 397

    问题

    How does a cause differ from a background condition?

    答案

    A cause helps produce the outcome, while a background condition shapes the setting in which causes operate. Keeping the two roles distinct makes a causal explanation more precise.

    Source: Library of Congress — Primary Sources and Standards.

  360. 卡片 398

    问题

    Why did Mexico nationalize its oil industry in 1938?

    答案

    President Lázaro Cárdenas used nationalization to enforce Mexican control over a strategic resource after a labor dispute with foreign companies. It became a powerful symbol of economic sovereignty.

    Source: Library of Congress.

  361. 卡片 399

    问题

    How did World War I encourage anti-colonial nationalism?

    答案

    Colonial service, wartime sacrifice, and promises of self-determination sharpened demands for political rights. Returning veterans and activists exposed the gap between imperial rule and proclaimed national freedom.

    Source: Imperial War Museums.

  362. 卡片 400

    问题

    What did appeasement at Munich allow Germany to do in 1938?

    答案

    Britain and France accepted German annexation of the Sudetenland without Czechoslovakia's effective consent. The agreement traded territory for a peace that soon failed.

    Source: United States Holocaust Memorial Museum.

  363. 卡片 401

    问题

    How did empires shape World War II mobilization?

    答案

    Imperial powers drew soldiers, labor, food, and raw materials from colonies and dominions. The conflict's reach and endurance depended on resources gathered across continents.

    Source: Imperial War Museums.

  364. 卡片 402

    问题

    Why did the United Nations adopt the Genocide Convention in 1948?

    答案

    The convention made genocide an international crime that states must prevent and punish. It translated the shock of recent mass atrocities into a standing legal obligation.

    Source: United Nations.

  365. 卡片 403

    问题

    What reform legacy did Mexico's Constitution of 1917 establish?

    答案

    It authorized land redistribution, asserted national control over subsoil resources, and protected organized labor. These provisions turned revolutionary demands into a lasting legal program.

    Source: Library of Congress.

  366. 卡片 404

    问题

    What is the best causal explanation for World War I?

    答案

    A short-term Balkan crisis activated longer-term rivalry, nationalism, alliances, and militarism. No single cause explains why the assassination expanded into a general war.

    Source: National WWI Museum and Memorial.

  367. 卡片 405

    问题

    What long-term response followed the use of chemical weapons in World War I?

    答案

    International revulsion helped produce the 1925 Geneva Protocol banning chemical and biological weapons in war. The ban showed an effort to restrain one especially feared form of industrial violence.

    Source: International Committee of the Red Cross.

  368. 卡片 406

    问题

    How did the Great Depression strengthen extremist politics?

    答案

    Mass unemployment and political paralysis made radical promises of order, work, and national revival more persuasive. In Germany, the crisis helped the Nazi Party expand its support.

    Source: United States Holocaust Memorial Museum.

  369. 卡片 407

    问题

    How did resentment of Versailles help destabilize interwar Europe?

    答案

    Revisionist movements promised to overturn the settlement's borders, military limits, and reparations. Nazi leaders used those grievances to justify expansion and rearmament.

    Source: United States Holocaust Memorial Museum.

  370. 卡片 408

    问题

    What event began World War II in Europe?

    答案

    Germany's invasion of Poland in September 1939 prompted Britain and France to declare war. It turned Nazi territorial expansion into a general European conflict.

    Source: United States Holocaust Memorial Museum.

  371. 卡片 409

    问题

    Why is World War II best understood as a multi-theater conflict?

    答案

    European, African, Asian, and Pacific campaigns were connected by rival imperial ambitions and shared resources. No single national front captures the war's global structure.

    Source: United States Holocaust Memorial Museum.

  372. 卡片 410

    问题

    What broad condition repeatedly enabled twentieth-century mass atrocities?

    答案

    States or armed movements used crisis, exclusionary ideology, and administrative power to classify civilians as enemies. Modern institutions made persecution faster and more systematic.

    Source: United States Holocaust Memorial Museum.

  373. 卡片 411

    问题

    Why did international politics become bipolar after World War II?

    答案

    The United States and Soviet Union emerged with unmatched military reach while European and Japanese power had been devastated. Their rivalry organized alliances and crises around two competing centers.

    Source: U.S. Department of State, Office of the Historian.

  374. 卡片 412

    问题

    How did the Korean War become a Cold War proxy conflict?

    答案

    North Korea received Soviet and Chinese support, while a U.S.-led United Nations force supported South Korea. The superpower rivalry intensified a divided peninsula's civil and regional war.

    Source: U.S. Department of State, Office of the Historian.

  375. 卡片 413

    问题

    What changed in China when the Chinese Communist Party won in 1949?

    答案

    Mao Zedong proclaimed the People's Republic of China, while the Nationalist government withdrew to Taiwan. A major state entered the communist camp but retained its own national aims.

    Source: U.S. Department of State, Office of the Historian.

  376. 卡片 414

    问题

    Why did decolonization accelerate after World War II?

    答案

    European empires were weakened, colonial nationalist movements were stronger, and international norms increasingly favored self-determination. Cold War competition also changed the costs of retaining colonies.

    Source: United Nations.

  377. 卡片 415

    问题

    What was the immediate human consequence of India's 1947 partition?

    答案

    Partition drove one of history's largest forced migrations and widespread communal violence across the new India–Pakistan border. Political independence therefore arrived with mass displacement.

    Source: The National Archives, United Kingdom.

  378. 卡片 416

    问题

    How did Gandhi's nonviolent resistance challenge British rule?

    答案

    Mass noncooperation withdrew everyday consent from colonial institutions while making repression politically costly. The strategy turned disciplined public participation into leverage.

    Source: The National Archives, United Kingdom.

  379. 卡片 417

    问题

    How did the Soviet war in Afghanistan weaken the Soviet Union?

    答案

    The long war consumed resources, caused heavy losses, and damaged Soviet legitimacy at home and abroad. Withdrawal in 1989 exposed limits on Soviet military power.

    Source: U.S. Department of State, Office of the Historian.

  380. 卡片 419

    问题

    What two broad paths did twentieth-century decolonization take?

    答案

    Some colonies reached independence through negotiation and mass political pressure; others endured armed liberation wars. The path depended on colonial policy, settler interests, and nationalist organization.

    Source: United Nations.

  381. 卡片 420

    问题

    What unresolved problem followed the 1947 UN partition proposal for Palestine?

    答案

    Israel declared independence in May 1948 amid a war already under way, while the Arab state proposed by the UN did not emerge and over half the Palestinian Arab population fled or was expelled. Competing national claims and the refugee question remained unresolved.

    Sources: United Nations — History of the Question of Palestine; U.S. Department of State, Office of the Historian — Creation of Israel.

  382. 卡片 421

    问题

    How did the Vietnam War express Cold War rivalry?

    答案

    Communist North Vietnam received Soviet and Chinese support, while the United States backed South Vietnam. An anticolonial and civil conflict became tied to global containment.

    Source: U.S. National Archives.

  383. 卡片 422

    问题

    What was the Cold War policy of containment?

    答案

    Containment aimed to prevent further expansion of Soviet influence rather than immediately overthrow communist governments. It guided U.S. alliances, aid, and interventions across several regions.

    Source: U.S. Department of State, Office of the Historian.

  384. 卡片 423

    问题

    How should evidence be connected to a historical argument?

    答案

    Explain why the evidence supports, qualifies, or challenges the claim. Naming a fact shows recall; reasoning through its relevance turns it into argumentative support.

    Source: Library of Congress — Primary Sources and Standards.

  385. 卡片 424

    问题

    How did British India become independent in 1947?

    答案

    Sustained nationalist mobilization and postwar negotiation ended British rule. Independence arrived with partition into India and Pakistan rather than a single successor state.

    Source: The National Archives, United Kingdom.

  386. 卡片 425

    问题

    Why did inherited colonial borders create problems for some new states?

    答案

    Borders often joined communities with different political histories or divided connected populations. Independence transferred those boundaries to governments that still had to build shared institutions and legitimacy.

    Source: United Nations.

  387. 卡片 426

    问题

    Why did Angola become a Cold War battleground after 1975?

    答案

    Competing Angolan movements received outside military support from the United States, Soviet Union, Cuba, and regional powers. Decolonization and civil war became entangled with superpower competition.

    Sources: U.S. Department of State, Office of the Historian; United Nations.

  388. 卡片 427

    问题

    What commitment did the Truman Doctrine announce in 1947?

    答案

    It promised U.S. support to governments resisting communist pressure, initially Greece and Turkey. The doctrine recast regional conflicts as tests of global containment.

    Source: U.S. Department of State, Office of the Historian.

  389. 卡片 428

    问题

    Why did Ghana's independence in 1957 matter beyond Ghana?

    答案

    Ghana became an early sub-Saharan African state to leave colonial rule and openly supported liberation elsewhere. Its example strengthened the continent-wide drive for independence.

    Source: United Nations Africa Renewal.

  390. 卡片 429

    问题

    Why did developing states call for a New International Economic Order?

    答案

    They sought fairer trade, stronger control over resources, and a larger voice in global economic decisions. Political independence had not removed unequal power from the world economy.

    Source: United Nations Trade and Development.

  391. 卡片 430

    问题

    Why did the Chinese Communist Party defeat the Nationalists by 1949?

    答案

    Communist rural organization and promises of reform gained support while the Nationalist government suffered from corruption, inflation, and wartime exhaustion. The outcome grew from Chinese conditions, not only Soviet help.

    Source: U.S. Department of State, Office of the Historian.

  392. 卡片 431

    问题

    How did the Marshall Plan serve Cold War strategy?

    答案

    U.S. aid helped rebuild Western European economies and reduce the appeal of communist parties. Economic recovery became a tool for stabilizing the U.S.-aligned bloc.

    Source: U.S. Department of State, Office of the Historian.

  393. 卡片 433

    问题

    How did Nasser use economic nationalism in Egypt?

    答案

    Nasser placed the Suez Canal under Egyptian control and used its revenues to support national development. The move joined anti-imperial sovereignty to a state-led economy.

    Source: U.S. Department of State, Office of the Historian.

  394. 卡片 434

    问题

    How did Nelson Mandela's strategy change during the struggle against apartheid?

    答案

    Mandela moved from nonviolent protest to armed resistance after peaceful opposition was violently closed, then later led negotiation and reconciliation. The shift reflected changing possibilities under repression.

    Source: United Nations.

  395. 卡片 435

    问题

    What did the Berlin Airlift demonstrate in 1948–1949?

    答案

    Western aircraft supplied West Berlin despite the Soviet blockade. The operation defended access without attacking Soviet forces, making it an early test of Cold War resolve.

    Source: U.S. Department of State, Office of the Historian.

  396. 卡片 436

    问题

    What makes a piece of evidence relevant to a historical claim?

    答案

    It bears directly on the people, place, period, process, or relationship named in the claim. Interesting facts that do not help test the conclusion should be left out.

    Source: Library of Congress — Primary Sources and Standards.

  397. 卡片 437

    问题

    How did Vietnam's decolonization become an international war?

    答案

    Vietnamese communists fought French restoration, then a divided Vietnam drew in Cold War patrons after French defeat. Independence, civil conflict, and superpower rivalry became inseparable.

    Source: U.S. Department of State, Office of the Historian.

  398. 卡片 438

    问题

    What did Tanzania's ujamaa policy try to achieve?

    答案

    Julius Nyerere's government pursued egalitarian rural development through collective villages, nationalization, and public investment. The program expanded some services but did not deliver the hoped-for economic transformation.

    Source: World Bank.

  399. 卡片 439

    问题

    What made a Cold War conflict a proxy war?

    答案

    Outside powers armed, financed, or advised local combatants instead of fighting each other directly. Proxy warfare globalized local struggles while limiting the immediate risk of superpower nuclear war.

    Source: U.S. Department of State, Office of the Historian.

  400. 卡片 440

    问题

    What security principle defined NATO?

    答案

    NATO treated an armed attack on one member as an attack on all. Collective defense formalized the military alignment of the United States, Canada, and Western Europe.

    Source: North Atlantic Treaty Organization.

  401. 卡片 441

    问题

    What was the economic aim of China's Great Leap Forward?

    答案

    Mao sought rapid industrial and agricultural transformation through mass mobilization and rural communes. Coercion and failed production policies instead contributed to catastrophic famine.

    Source: Columbia University, Asia for Educators.

  402. 卡片 443

    问题

    Why did decolonization increase migration to former imperial centers?

    答案

    Imperial ties, labor demand, shared languages, and legal connections made former metropoles accessible destinations. Political independence did not erase networks built under empire.

    Source: The National Archives, United Kingdom.

  403. 卡片 444

    问题

    Why was the Warsaw Pact created in 1955?

    答案

    The Soviet Union and its Eastern European allies formed it after West Germany entered NATO. It institutionalized the opposing military bloc in Europe.

    Source: North Atlantic Treaty Organization.

  404. 卡片 445

    问题

    How did Chile's 1973 coup challenge an elected political order?

    答案

    The military overthrew President Salvador Allende and installed Augusto Pinochet's dictatorship. Cold War polarization helped turn domestic conflict into authoritarian rule and systematic repression.

    Source: National Security Archive.

  405. 卡片 446

    问题

    Why was the Cuban Missile Crisis so dangerous?

    答案

    Soviet nuclear missiles in Cuba and a U.S. naval quarantine brought the superpowers close to direct nuclear conflict. Negotiated withdrawal showed both the danger and value of crisis management.

    Source: U.S. Department of State, Office of the Historian.

  406. 卡片 447

    问题

    What political purpose did China's Cultural Revolution serve?

    答案

    Mao mobilized young people and ideological campaigns to attack perceived rivals and revive revolutionary authority. The upheaval disrupted education, institutions, and millions of lives.

    Source: Columbia University, Asia for Educators.

  407. 卡片 448

    问题

    How did nuclear weapons discourage direct superpower war?

    答案

    Each superpower could retaliate after a first strike and inflict unacceptable destruction. That danger supported deterrence even as it fueled an arms race and recurring crises.

    Source: United Nations.

  408. 卡片 450

    问题

    Why did Egypt nationalize the Suez Canal in 1956?

    答案

    Gamal Abdel Nasser sought control of a strategic revenue source and greater freedom from European influence. The resulting crisis showed that old imperial powers could no longer dictate regional outcomes alone.

    Source: U.S. Department of State, Office of the Historian.

  409. 卡片 451

    问题

    What postwar connection encouraged South Asian migration to Britain?

    答案

    Commonwealth ties and British labor demand drew migrants from India, Pakistan, and later Bangladesh. Their communities reshaped British society while preserving links across the former empire.

    Source: The National Archives, United Kingdom.

  410. 卡片 452

    问题

    How did the Cold War expand militarization in developing states?

    答案

    The United States and Soviet Union supplied arms and military assistance to compete for political and ideological influence. Those transfers expanded recipient arsenals and tied many developing states to outside suppliers.

    Source: Stockholm International Peace Research Institute — Russia and the Arms Trade.

  411. 卡片 453

    问题

    What did the Non-Aligned Movement seek during the Cold War?

    答案

    It sought independent decision-making outside formal alignment with either superpower bloc. Member states used cooperation to defend sovereignty and amplify postcolonial interests.

    Source: United Nations.

  412. 卡片 454

    问题

    What did glasnost and perestroika try to change in the Soviet Union?

    答案

    Glasnost widened public openness, while perestroika attempted political and economic restructuring. The reforms loosened controls but did not solve the system's deeper economic and national tensions.

    Source: U.S. Department of State, Office of the Historian.

  413. 卡片 455

    问题

    What was détente in the 1970s?

    答案

    Détente was a partial easing of U.S.-Soviet tensions through negotiation, diplomacy, and arms agreements. It managed rivalry without ending the Cold War or its proxy conflicts.

    Source: U.S. Department of State, Office of the Historian.

  414. 卡片 456

    问题

    Why did China's Communist revolution redistribute land?

    答案

    Land reform weakened landlord power and offered peasants a direct material stake in the new order. It linked communist rule to a central rural grievance.

    Source: Columbia University, Asia for Educators.

  415. 卡片 457

    问题

    Why was the 1955 Bandung Conference historically important?

    答案

    Asian and African states coordinated around anti-colonialism, sovereignty, and a larger voice in world affairs. Bandung helped prepare the political ground for non-alignment.

    Source: U.S. Department of State, Office of the Historian.

  416. 卡片 458

    问题

    What principle did UN General Assembly Resolution 1514 declare in 1960?

    答案

    It declared that colonial peoples had a right to self-determination and that colonial rule should end. The resolution gave decolonization a clear international standard.

    Source: United Nations Digital Library.

  417. 卡片 459

    问题

    Why did many Algerians migrate to France after decolonization?

    答案

    Colonial-era movement, French labor demand, war, and family networks connected Algeria to France before and after 1962. Migration continued even after political rule ended.

    Source: Musée national de l'histoire de l'immigration.

  418. 卡片 460

    问题

    How did the Iranian Revolution of 1979 challenge established power?

    答案

    A broad revolutionary movement overthrew the Western-aligned shah and produced an Islamic republic. It rejected both monarchical authority and a regional order closely tied to the United States.

    Source: U.S. Department of State, Office of the Historian.

  419. 卡片 461

    问题

    Why did the Soviet Union dissolve in 1991?

    答案

    Economic stagnation, contested reforms, nationalist movements, and weakening central authority converged. The breakup ended the bipolar state system that had structured the Cold War.

    Source: U.S. Department of State, Office of the Historian.

  420. 卡片 462

    问题

    How did radio change mass communication after 1900?

    答案

    Radio carried news, entertainment, and political messages across long distances at the same moment. It let states and cultural producers address mass audiences without print distribution.

    Source: International Telecommunication Union.

  421. 卡片 463

    问题

    How did modern contraception affect demographic change?

    答案

    Reliable contraception gave more people control over the timing and number of births. Wider access contributed to smaller families and expanded educational and economic choices for women.

    Source: World Health Organization.

  422. 卡片 464

    问题

    How has economic expansion contributed to deforestation?

    答案

    Agriculture, logging, mining, and infrastructure have converted forests into land for production and settlement. The loss reduces biodiversity and weakens carbon storage.

    Source: United Nations.

  423. 卡片 465

    问题

    What did market-liberalization policies generally try to reduce?

    答案

    They tried to reduce trade barriers, price controls, and direct state ownership while expanding competition and private investment. Results varied because institutions and the distribution of costs differed by country.

    Source: United Nations Trade and Development.

  424. 卡片 466

    问题

    What global standard did the Universal Declaration of Human Rights establish?

    答案

    It stated that all people possess fundamental civil, political, economic, social, and cultural rights. Although not a treaty itself, it created a shared language for later law and activism.

    Source: United Nations.

  425. 卡片 467

    问题

    How can globalization produce cultural hybridization?

    答案

    Communities combine imported forms with local languages, histories, and tastes rather than simply replacing one culture with another. Global exchange can create new mixed forms while preserving difference.

    Source: UNESCO.

  426. 卡片 468

    问题

    What concerns drove protests against economic globalization?

    答案

    Activists argued that trade and investment rules could privilege corporations over labor rights, the environment, and democratic control. The 1999 Seattle WTO protests made those concerns globally visible.

    Source: National Museum of American History.

  427. 卡片 469

    问题

    Why was the United Nations created in 1945?

    答案

    States created the UN to prevent war, coordinate security, promote rights, and cooperate on shared problems after World War II. Its broad membership made permanent negotiation part of global governance.

    Source: United Nations.

  428. 卡片 470

    问题

    What did the Green Revolution change in agriculture?

    答案

    High-yield crops, irrigation, fertilizer, and related farming methods raised cereal production in parts of Asia and Latin America. Gains in food supply came with uneven access and environmental costs.

    Source: Food and Agriculture Organization.

  429. 卡片 471

    问题

    How did China's reforms after 1978 change its economy?

    答案

    Deng-era reforms introduced market incentives, opened trade and investment, and gradually reduced comprehensive state control. China combined those changes with continued Communist Party rule.

    Source: World Bank.

  430. 卡片 472

    问题

    How did commercial aviation accelerate globalization?

    答案

    Air travel sharply reduced the time needed to move people and high-value goods across continents. Faster mobility deepened tourism, migration, business, and diplomatic links.

    Source: International Civil Aviation Organization.

  431. 卡片 473

    问题

    What human activity commonly drives desertification?

    答案

    Unsustainable farming, grazing, and land clearing can degrade drylands faster than they recover. Climate stress can intensify that human pressure.

    Source: United Nations Convention to Combat Desertification.

  432. 卡片 474

    问题

    How did vaccination reshape global health after 1900?

    答案

    Vaccination prevented infections before they spread and sharply reduced illness and death from several diseases. Coordinated campaigns made public health an international undertaking.

    Source: World Health Organization.

  433. 卡片 475

    问题

    What makes an economy knowledge-intensive?

    答案

    A knowledge-intensive economy creates value through education, research, data, software, and specialized services. Digital networks let some of that work be produced and exchanged across borders.

    Source: World Bank.

  434. 卡片 476

    问题

    Why did standardized shipping containers transform world trade?

    答案

    Standardized containers let the same cargo box move by ship, train, and truck with minimal handling. The system cut freight costs and helped manufacturers divide production across distant, lower-cost locations.

    Source: Smithsonian National Museum of American History — Containing Modern Life.

  435. 卡片 477

    问题

    How does reggae illustrate the global movement of culture?

    答案

    Reggae grew from Jamaican musical traditions and social experience, then reached audiences worldwide. Its global circulation carried a distinct local voice rather than erasing its origins.

    Source: UNESCO Intangible Cultural Heritage.

  436. 卡片 478

    问题

    Why do preventable infectious diseases persist despite modern medicine?

    答案

    Poverty, weak health systems, unsafe housing, and unequal access to care leave effective prevention and treatment out of reach. Medical knowledge alone cannot remove social barriers to health.

    Source: World Health Organization.

  437. 卡片 479

    问题

    How did the geography of manufacturing change late in the twentieth century?

    答案

    A growing share of industrial production shifted from high-income economies toward middle-income economies, especially in Asia. Export-oriented industrialization redistributed economic weight across regions.

    Source: United Nations Industrial Development Organization.

  438. 卡片 480

    问题

    How did the internet change global exchange?

    答案

    The internet made information, communication, and many services move across borders almost instantly. It lowered coordination costs for firms, movements, researchers, and families.

    Source: International Telecommunication Union.

  439. 卡片 482

    问题

    Why did industrialization create severe urban air pollution?

    答案

    Factories, power generation, vehicles, and household fuels concentrated harmful emissions where populations grew. The same systems that increased production also imposed large health costs.

    Source: World Health Organization.

  440. 卡片 483

    问题

    Why did the 1918 influenza pandemic spread so widely?

    答案

    A highly contagious virus moved through populations connected by wartime troop transport and mass travel. Global mobility helped turn local outbreaks into a pandemic.

    Source: Centers for Disease Control and Prevention.

  441. 卡片 484

    问题

    How do multinational corporations organize global production?

    答案

    They divide design, components, assembly, and services among countries according to cost, skills, infrastructure, and market access. A finished product can therefore embody work from many economies.

    Source: World Bank.

  442. 卡片 485

    问题

    What did CEDAW require states to address?

    答案

    The convention required action against discrimination that blocks women's equal rights in political, economic, social, and family life. It made gender equality a formal international legal commitment.

    Source: UN Women.

  443. 卡片 486

    问题

    How does Indian cinema complicate the idea of one global culture?

    答案

    Indian film circulates widely while remaining diverse in language, region, music, and theme. Global reach can strengthen several cultural industries instead of producing a single uniform style.

    Source: UNESCO.

  444. 卡片 487

    问题

    What made HIV/AIDS a major late-twentieth-century global crisis?

    答案

    HIV spread across borders while stigma, unequal treatment access, and delayed political responses increased its toll. The crisis reshaped public health, activism, and international cooperation.

    Source: World Health Organization.

  445. 卡片 488

    问题

    What distinctive access did mobile phones bring to globalization?

    答案

    Mobile networks connected people without requiring a fixed telephone line or desktop computer. They widened access to communication, markets, and digital services in many lower-income regions.

    Source: International Telecommunication Union.

  446. 卡片 489

    问题

    Why has freshwater become a source of international concern?

    答案

    Population growth, agriculture, industry, and climate change put greater pressure on limited and often shared supplies. Cooperation matters because many rivers and aquifers cross borders.

    Source: UN-Water.

  447. 卡片 490

    问题

    What is the World Trade Organization's central function?

    答案

    The WTO provides negotiated rules and a forum for resolving disputes among trading governments. It institutionalizes a rules-based system rather than eliminating national trade policy.

    Source: World Trade Organization.

  448. 卡片 491

    问题

    Why was the eradication of smallpox historically significant?

    答案

    Smallpox became the first human disease eradicated worldwide through coordinated vaccination and surveillance. Its elimination showed what sustained international public-health cooperation could accomplish.

    Source: World Health Organization.

  449. 卡片 492

    问题

    Why has girls' education been central to gender-equality movements?

    答案

    Education expands access to paid work, public life, health knowledge, and independent decision-making. Movements therefore treated schooling as both a right and a route to wider social power.

    Source: UNESCO.

  450. 卡片 493

    问题

    How have international sports events supported globalization?

    答案

    Events such as the Olympic Games create recurring global audiences, shared rules, and national representation on one stage. They combine international culture with continued national identity.

    Source: United Nations.

  451. 卡片 494

    问题

    How did petroleum shape the twentieth-century global economy?

    答案

    Petroleum powered motor transport, aviation, industry, and petrochemicals at enormous scale. Dependence on oil also increased the strategic importance of producing regions and shipping routes.

    Source: Organization of the Petroleum Exporting Countries.

  452. 卡片 495

    问题

    How did longer life expectancy change common causes of death?

    答案

    As more people survived childhood infections and lived longer, chronic illnesses such as heart disease and cancer accounted for a larger share of deaths. Health systems increasingly managed long-term disease as well as epidemics.

    Source: World Health Organization.

  453. 卡片 496

    问题

    What is the main modern cause of global warming?

    答案

    Human greenhouse-gas emissions, especially from fossil-fuel use, are the dominant cause of recent warming. Industrial growth connected economic expansion to planetary climate change.

    Source: Intergovernmental Panel on Climate Change.

  454. 卡片 497

    问题

    Why do countries form regional trade agreements?

    答案

    Members reduce trade barriers among themselves to deepen regional exchange and production links. These agreements can advance integration faster than global negotiations, but they give members preferential treatment.

    Source: World Trade Organization.

  455. 卡片 498

    问题

    What linked environmentalism and women's activism in Kenya's Green Belt Movement?

    答案

    The movement organized women to plant trees while addressing livelihoods, environmental damage, and political participation. Local ecological work became a form of civic resistance.

    Source: United Nations Environment Programme.

  456. 卡片 499

    问题

    How did e-commerce change consumer markets?

    答案

    Digital platforms let buyers, sellers, and services connect across distance with lower search and transaction costs. Consumer choice expanded, though access still depends on infrastructure and skills.

    Source: United Nations Conference on Trade and Development.

  457. 卡片 500

    问题

    How do the International Monetary Fund and World Bank differ?

    答案

    The IMF focuses on monetary cooperation and short-term balance-of-payments support; the World Bank finances longer-term development and poverty reduction. Both emerged from the Bretton Woods system.

    Source: World Bank.

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