- Columbian Exchange
- The transfer of plants, animals, people, and diseases between the Americas and Afro-Eurasia after 1492.
- Mandate of Heaven
- The Chinese belief that Heaven grants a just ruler the right to govern; disasters or defeat signal a dynasty has lost it.
- Song dynasty
- Chinese dynasty (960-1279) known for prosperity, technological innovation, and a revived Confucian bureaucracy.
- Civil service examination
- China's merit-based written exam, rooted in Confucianism, used to recruit government officials by knowledge rather than birth.
- Neo-Confucianism
- A revival of Confucian thought in Song China that blended ethics with Buddhist and Daoist ideas; reinforced social hierarchy.
- Filial piety
- The Confucian duty of respect and obedience children owe their parents and elders; a foundation of Chinese social order.
- Champa rice
- A fast-ripening, drought-resistant rice from Vietnam that boosted Chinese harvests and fueled population growth.
- Grand Canal
- A vast Chinese inland waterway linking north and south, enabling internal trade and the movement of grain.
- Dar al-Islam
- Literally 'the house of Islam' — the lands and peoples under Islamic rule, connected by faith, trade, and scholarship.
- Abbasid Caliphate
- The Islamic empire (centered on Baghdad) that fragmented after 1200 as Turkic and Mongol powers rose.
- Sufism
- A mystical form of Islam that, through traveling preachers, helped spread the faith across Afro-Eurasia.
- House of Wisdom
- A center of learning in Abbasid Baghdad where scholars preserved and advanced Greek, Persian, and Indian knowledge.
- Delhi Sultanate
- A series of Muslim dynasties (1206-1526) that ruled much of South Asia from Delhi.
- Bhakti movement
- A devotional Hindu movement emphasizing personal love for a deity, which cut across caste lines.
- Srivijaya
- A Buddhist maritime kingdom on Sumatra that controlled the Strait of Malacca and Indian Ocean trade.
- Majapahit
- A powerful Hindu-Buddhist maritime empire based on Java (1293-1527).
- Mali Empire
- A wealthy West African empire (c. 1235-1600s) built on the gold and salt trade; famed for its ruler Mansa Musa.
- Mansa Musa
- Ruler of Mali whose lavish 1324 pilgrimage to Mecca displayed and spread the empire's wealth.
- Great Zimbabwe
- A powerful southern African kingdom known for its massive stone-walled capital.
- Swahili city-states
- Trading city-states on East Africa's coast (e.g., Kilwa) that grew rich on Indian Ocean commerce and blended Bantu and Arab culture.
- Aztec Empire
- A powerful Mesoamerican empire (c. 1345-1521) centered on Tenochtitlan, organized around tribute and human sacrifice.
- Inca Empire
- A vast Andean empire (c. 1438-1533) ruled from Cusco, knit together by roads and the mit'a labor system.
- Mit'a
- The Inca system of mandatory public labor service owed to the state.
- Feudalism
- The medieval European (and Japanese) system of land granted in exchange for military service and loyalty.
- Manorialism
- The economic side of European feudalism: self-sufficient manors worked by serfs bound to the land.
- Silk Roads
- Overland trade routes linking China to the Mediterranean, carrying luxury goods, religions, technology, and disease.
- Pax Mongolica
- The 'Mongol Peace' — the stability the Mongols imposed that protected trade routes and intensified Eurasian exchange.
- Mongol Empire
- The largest contiguous land empire in history, founded by Chinggis Khan, unifying much of Eurasia in the 1200s.
- Chinggis Khan
- The founder and first Great Khan of the Mongol Empire (c. 1162-1227).
- Khanates
- The four regional divisions into which the Mongol Empire split after Chinggis Khan's death.
- Kublai Khan
- Grandson of Chinggis Khan who conquered China and founded the Yuan dynasty.
- Yuan dynasty
- The Mongol-ruled dynasty of China (1271-1368) established by Kublai Khan.
- Caravanserai
- Roadside inns along trade routes where merchants and caravans rested, fostering commerce and exchange.
- Indian Ocean trade
- Monsoon-driven maritime trade linking East Africa, Arabia, India, Southeast Asia, and China; spread Islam.
- Monsoon winds
- Seasonal winds that reverse direction, enabling predictable round-trip sailing across the Indian Ocean.
- Dhow
- An Arab and Indian sailing vessel with triangular (lateen) sails used in Indian Ocean trade.
- Trans-Saharan trade
- Caravan trade across the Sahara linking West African gold and salt to North Africa; spread Islam.
- Black Death
- The plague pandemic that spread along trade routes in the 1300s, killing a large share of Afro-Eurasia's population.
- Diasporic communities
- Merchant communities that settled far from home along trade routes, spreading their culture and religion.
- Marco Polo
- A Venetian merchant whose accounts of travel to Yuan China increased European interest in Asia.
- Ibn Battuta
- A Moroccan scholar whose decades of travel across Dar al-Islam left a famous record of the era's connections.
- Lateen sail
- A triangular sail allowing ships to sail against the wind, improving Indian Ocean and later European navigation.
- Astrolabe
- A navigation instrument, refined in the Islamic world, used to determine latitude by the stars.
- Gunpowder (diffusion)
- A Chinese invention that spread westward along the trade routes, transforming warfare across Eurasia.
- Gunpowder empires
- The Ottoman, Safavid, and Mughal empires — large Islamic land-based states (c. 1450-1750) that expanded using cannons and muskets.
- Ottoman Empire
- A Sunni Muslim land empire centered on Anatolia and the Balkans; took Constantinople in 1453.
- Fall of Constantinople
- The 1453 Ottoman conquest of the Byzantine capital, renamed Istanbul; ended the Byzantine Empire.
- Janissaries
- Elite Ottoman infantry, originally enslaved Christian boys converted to Islam, who used gunpowder weapons.
- Devshirme
- The Ottoman system of taking Christian boys for state and military service as Janissaries or administrators.
- Suleiman the Magnificent
- Ottoman sultan (r. 1520-1566) under whom the empire reached its height.
- Safavid Empire
- A Persian (Iranian) empire that enforced Shia Islam, fueling rivalry with the Sunni Ottomans.
- Shah Abbas
- Safavid ruler under whom the empire reached its cultural and political peak.
- Mughal Empire
- A Muslim-ruled empire over a Hindu-majority South Asia (1526-1857).
- Akbar
- Mughal emperor known for religious tolerance and an efficient, centralized administration.
- Taj Mahal
- A marble mausoleum built by Mughal emperor Shah Jahan; a symbol of imperial power and Islamic art.
- Zamindars
- Local Mughal tax officials who collected revenue, helping administer the empire.
- Divine right of kings
- The European belief that a monarch's authority comes directly from God, used to legitimize absolute rule.
- Absolutism
- A system in which a monarch holds total, centralized power (e.g., Louis XIV of France).
- Louis XIV
- French 'Sun King' whose Palace of Versailles symbolized absolute monarchy.
- Versailles
- Louis XIV's grand palace, built as propaganda for absolute royal power.
- Ming dynasty
- The Chinese dynasty (1368-1644) that restored Han Chinese rule after the Mongols.
- Qing dynasty
- The last Chinese dynasty (1644-1912), ruled by the Manchus.
- Tokugawa Shogunate
- The military government that unified and isolated Japan from 1603 to 1868.
- Russian Empire
- A growing land empire expanding eastward across Siberia under tsars like Peter and Ivan.
- Caravel
- A small, maneuverable Portuguese ship that enabled long ocean voyages of exploration.
- Christopher Columbus
- The explorer whose 1492 voyage, funded by Spain, opened sustained contact between Europe and the Americas.
- Vasco da Gama
- The Portuguese explorer who first sailed around Africa to India (1498).
- Ferdinand Magellan
- Led the first expedition to circumnavigate the globe (1519-1522).
- Treaty of Tordesillas
- The 1494 agreement dividing newly explored lands between Spain and Portugal.
- Mercantilism
- An economic theory that national wealth comes from accumulating precious metals and a favorable balance of trade.
- Joint-stock company
- A business owned by shareholders who pool capital and share risk, used to fund colonization (e.g., the East India Companies).
- British East India Company
- A joint-stock company that came to dominate trade and rule in India.
- Dutch East India Company (VOC)
- A powerful joint-stock company that controlled much of the Indian Ocean spice trade.
- Encomienda
- A Spanish labor system granting colonists the right to demand labor and tribute from Indigenous people.
- Casta system
- The Spanish colonial social hierarchy based on race and ancestry.
- Trans-Atlantic slave trade
- The forced transport of roughly twelve million enslaved Africans to the Americas (1500s-1800s) for plantation labor.
- Middle Passage
- The brutal Atlantic crossing endured by enslaved Africans, in which many died.
- Triangular trade
- The Atlantic trade network linking Europe, Africa, and the Americas in exchanges of goods and enslaved people.
- Plantation economy
- A system of large-scale cash-crop farming (sugar, tobacco, cotton) reliant on coerced labor.
- Cash crops
- Crops grown for sale rather than subsistence — sugar, tobacco, and cotton drove the Atlantic economy.
- Maize
- A New World crop spread by the Columbian Exchange that boosted Old World populations.
- Smallpox
- An Old World disease that, via the Columbian Exchange, devastated Indigenous American populations.
- Conquistadors
- Spanish conquerors (like Cortes and Pizarro) who toppled the Aztec and Inca empires.
- Atlantic system
- The web of trade, migration, and exchange that connected the Atlantic world after 1492.
- Columbian Exchange (effects)
- Reshaped global diets, populations, and economies; its diseases caused catastrophic Indigenous death.
- Manila galleons
- Spanish ships that linked the Americas and Asia via the Philippines, trading silver for Asian goods.
- Enlightenment
- An 18th-century movement emphasizing reason, natural rights, and the idea that government rests on the consent of the governed.
- John Locke
- Enlightenment thinker who argued for natural rights (life, liberty, property) and consent of the governed.
- Rousseau
- Enlightenment thinker who developed the idea of the social contract and popular sovereignty.
- Montesquieu
- Enlightenment thinker who advocated the separation of powers in government.
- Natural rights
- Rights (life, liberty, property) Enlightenment thinkers said all people are born with.
- Social contract
- The idea that government's legitimacy comes from an agreement among the people it governs.
- Atlantic Revolutions
- The wave of American, French, Haitian, and Latin American revolutions inspired by Enlightenment ideas.
- American Revolution
- The 1776 colonial revolt that won independence from Britain on natural-rights grounds.
- French Revolution
- The 1789 overthrow of the French monarchy under 'Liberty, Equality, Fraternity.'
- Declaration of the Rights of Man
- The 1789 French statement of Enlightenment principles and individual rights.
- Haitian Revolution
- The 1791-1804 revolution in which enslaved people overthrew French rule, creating the first nation led by formerly enslaved people.
- Toussaint Louverture
- The leading figure of the Haitian Revolution.
- Latin American revolutions
- Early-1800s independence movements that freed Spanish and Portuguese colonies.
- Simon Bolivar
- The 'Liberator' who led independence movements across northern South America.
- Nationalism
- The belief that a people sharing language, culture, or history should have their own nation-state.
- Industrial Revolution
- The shift, beginning in Britain (~1750-1800), from hand production to mechanized factory manufacturing.
- Steam engine
- A coal-powered machine, improved by James Watt, that powered factories, trains, and ships.
- Factory system
- A method of production concentrating workers and machines in one place, replacing home-based craft work.
- Spinning jenny
- An early machine that spun multiple threads at once, mechanizing textile production.
- Enclosure movement
- The consolidation of English farmland that pushed peasants off the land and toward industrial cities.
- Abolitionism
- The movement to end slavery, energized by Enlightenment ideals of equality.
- New Imperialism
- The late-1800s surge of European empire-building in Africa and Asia, driven by industry's need for markets and raw materials.
- Scramble for Africa
- The rapid European colonization of nearly all of Africa in the late 1800s.
- Berlin Conference
- The 1884-85 meeting where European powers divided Africa among themselves.
- Social Darwinism
- The misapplication of 'survival of the fittest' to justify imperialism and racial hierarchy.
- Sepoy Mutiny
- The 1857 Indian uprising against the British East India Company that led to direct British Crown rule.
- Opium Wars
- Mid-1800s conflicts in which Britain forced China to keep trade (including opium) open.
- Spheres of influence
- Regions where a foreign power held exclusive trading and political rights, as in China.
- Meiji Restoration
- Japan's 1868 reform that rapidly industrialized and modernized the country to resist Western imperialism.
- Marxism
- Karl Marx's critique of capitalism predicting a workers' revolution against the owning class.
- Karl Marx
- Co-author of The Communist Manifesto and founder of modern communist theory.
- Socialism
- An ideology favoring collective or government ownership of the means of production.
- Labor unions
- Worker organizations that formed to demand better wages, hours, and conditions in industrial society.
- Capitalism
- An economic system based on private ownership and market competition, dominant in industrial economies.
- Unification of Germany
- The 1871 creation of a unified German nation-state, led by Otto von Bismarck.
- Unification of Italy
- The 19th-century nationalist movement that united Italy into a single state.
- Urbanization
- The rapid growth of cities as industrialization drew workers from the countryside.
- Middle class
- A new social class of professionals and business owners created by industrial capitalism.
- Indentured servitude
- Contract labor (often from India and China) that migrated to fill plantation work after slavery's decline.
- Settler colonies
- Colonies where large numbers of Europeans permanently settled, displacing Indigenous peoples.
- Suez Canal
- An 1869 canal linking the Mediterranean and Red Seas, vital to imperial trade and strategy.
- World War I
- A 1914-1918 global war among the great powers, sparked by the assassination of Archduke Franz Ferdinand.
- M.A.I.N.
- The four long-term causes of World War I: Militarism, Alliances, Imperialism, and Nationalism.
- Total war
- A war in which a nation mobilizes its entire population and economy for the war effort.
- Trench warfare
- The deadly, static fighting of World War I from fortified trenches on the Western Front.
- Franz Ferdinand
- The Austro-Hungarian archduke whose 1914 assassination triggered World War I.
- Treaty of Versailles
- The 1919 treaty ending WWI that imposed harsh terms on Germany, sowing seeds of WWII.
- League of Nations
- The post-WWI international body meant to prevent war; weakened by the absence of the United States.
- Russian Revolution
- The 1917 revolution that overthrew the tsar and brought the communist Bolsheviks to power.
- Vladimir Lenin
- The Bolshevik leader of the Russian Revolution and founder of the Soviet Union.
- Great Depression
- The severe worldwide economic collapse of the 1930s that fueled the rise of fascism.
- Fascism
- An authoritarian, ultranationalist ideology that rose in interwar Italy and Germany.
- Adolf Hitler
- The Nazi dictator of Germany whose aggression launched World War II in Europe.
- World War II
- A 1939-1945 global war between the Allies and the Axis; the deadliest conflict in history.
- Holocaust
- The Nazi genocide of six million Jews and millions of others during World War II.
- Pearl Harbor
- Japan's 1941 attack that brought the United States into World War II.
- Atomic bomb
- The nuclear weapons the US dropped on Hiroshima and Nagasaki in 1945, ending World War II.
- Armenian Genocide
- The Ottoman-era mass killing of Armenians during World War I.
- Self-determination
- The principle, promoted after WWI, that peoples should choose their own government.
- Total mobilization
- The wartime direction of a nation's whole economy and society toward the war effort.
- United Nations
- The international organization founded in 1945 to promote peace and cooperation after WWII.
- Cold War
- The 1945-1991 rivalry between the US and the USSR, fought through proxy wars, an arms race, and ideology.
- Containment
- The US Cold War strategy to stop the spread of communism beyond where it already existed.
- Iron Curtain
- The ideological and physical divide separating Soviet-controlled Eastern Europe from the West.
- Marshall Plan
- The US program of economic aid to rebuild Western Europe and resist communism after WWII.
- NATO
- The Western military alliance formed in 1949 to counter Soviet power.
- Warsaw Pact
- The Soviet-led military alliance of communist Eastern Europe.
- Truman Doctrine
- The US pledge to support nations resisting communism.
- Korean War
- A 1950-1953 Cold War proxy war that divided Korea at the 38th parallel.
- Vietnam War
- A Cold War proxy conflict in which the US tried and failed to stop communist reunification of Vietnam.
- Cuban Missile Crisis
- The 1962 standoff over Soviet missiles in Cuba that brought the world close to nuclear war.
- Mutually assured destruction
- The doctrine that a full nuclear exchange would destroy both sides, deterring direct war.
- Space Race
- The Cold War competition in spaceflight between the US and USSR.
- Decolonization
- The process by which Asian and African colonies gained independence, mostly after World War II.
- Mohandas Gandhi
- The leader of India's nonviolent independence movement against British rule.
- Indian independence
- The 1947 end of British rule, accompanied by the partition into India and Pakistan.
- Partition of India
- The 1947 division of British India into Hindu-majority India and Muslim-majority Pakistan.
- Apartheid
- South Africa's system of legalized racial segregation, ended in the 1990s.
- Nelson Mandela
- The anti-apartheid leader who became South Africa's first Black president.
- Chinese Communist Revolution
- Mao Zedong's 1949 victory that established the People's Republic of China.
- Mao Zedong
- The communist leader who founded the People's Republic of China in 1949.
- Non-Aligned Movement
- A bloc of nations that refused to side with either superpower during the Cold War.
- Berlin Wall
- The barrier dividing communist East and democratic West Berlin (1961-1989); its fall symbolized the Cold War's end.
- Collapse of the USSR
- The 1991 breakup of the Soviet Union that ended the Cold War.
- Globalization
- The increasing interconnection of the world's economies, cultures, technologies, and populations, especially after 1900.
- Green Revolution
- The mid-20th-century spread of new seeds, fertilizers, and techniques that sharply increased global crop yields.
- Multinational corporation
- A company that operates in many countries, a key driver of economic globalization.
- Free trade
- The reduction of tariffs and barriers to international trade, advanced by deals like NAFTA and the WTO.
- World Trade Organization
- An international body that regulates and promotes global trade.
- Internet
- The global computer network that revolutionized communication and accelerated globalization.
- Containerization
- The use of standardized shipping containers that dramatically lowered the cost of global trade.
- Climate change
- Long-term warming and disruption of Earth's climate, driven largely by industrial greenhouse-gas emissions.
- Global migration
- The large-scale movement of people across borders for work, safety, or opportunity.
- Pandemics
- Globally spreading diseases (such as influenza and HIV/AIDS) made faster by modern travel.
- European Union
- A political and economic union of European states promoting integration and free movement.
- Decolonization (legacy)
- New nations often inherited colonial borders that cut across ethnic lines, fueling later conflict.
- Human rights
- The idea of universal rights, advanced by the UN's 1948 Universal Declaration of Human Rights.
- Universal Declaration of Human Rights
- The UN's 1948 statement of fundamental rights for all people.
- Feminist movements
- Late-20th-century movements that advanced women's political, economic, and social rights worldwide.
- Religious fundamentalism
- Movements asserting traditional religious values, often in reaction to globalization and secular change.
- Non-governmental organizations
- Private groups (NGOs) like the Red Cross that address global problems across borders.
- Economic liberalization
- The opening of economies (e.g., China and India after the 1980s) to markets and global trade.
- Knowledge economy
- An economy centered on information, technology, and services rather than manufacturing.
- Anti-globalization movement
- Protest movements opposing the inequality and corporate power associated with globalization.
- Camel saddle
- An innovation that made camels efficient pack animals, expanding trans-Saharan and overland trade.
- Compass (magnetic)
- A Chinese navigational invention that spread along trade routes and improved sea travel.
- Hanseatic League
- A commercial alliance of northern European trading towns that dominated Baltic and North Sea trade.
- Flying cash
- An early Chinese form of paper credit that facilitated long-distance trade.
- Genoa and Venice
- Italian city-states that grew wealthy as gateways for Mediterranean and Asian trade.
- Cottage industry
- Home-based production of goods that preceded the factory system before industrialization.
- Bourgeoisie
- The property-owning middle class; in Marxism, the class that owns the means of production.
- Proletariat
- In Marxism, the industrial working class that sells its labor.
- Total war (WWII)
- World War II mobilized entire economies and civilian populations on an even larger scale than WWI.
- Glasnost and perestroika
- Gorbachev's 1980s policies of openness and economic restructuring that helped end the USSR.