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🕊️ Unit 8 · Cold War & Decolonization 🗂 Flashcards 🗺 Cheat Sheet ⭐ Essentials 🎙 Podcast 🎨 Visual Review 📝 MC Practice ✍️ SAQ Practice

AP World History Unit 8 Essentials

The must-know terms and big ideas for Unit 8: Cold War & Decolonization (1900–Present). Every vocabulary word and concept you need to master.

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Big Idea 1
The Cold War reshaped global politics around a binary ideological conflict
After WWII, the world was divided into two competing spheres — US-led capitalism and Soviet-led communism. This binary shaped every international conflict, revolution, and independence movement from 1947 to 1991. The Cold War wasn't cold everywhere: proxy wars in Korea, Vietnam, Angola, and Afghanistan killed millions.
Cold WarIdeologySuperpowers
Big Idea 2
Decolonization transformed the global map but not always its power structures
Between 1945 and 1975, dozens of new nations emerged from colonial rule. But independence didn't always mean genuine self-determination. Cold War superpowers intervened in decolonizing nations; former colonial economic structures persisted; and many newly independent governments faced coups supported by foreign powers. Political independence and economic independence were very different things.
DecolonizationNeocolonialismSovereignty
Big Idea 3
Newly independent nations sought a "third way" beyond the Cold War binary
The Non-Aligned Movement, led by figures like India's Nehru and Egypt's Nasser, rejected the Cold War binary and asserted the right of new nations to chart their own political and economic paths. This was a significant assertion of sovereignty — though Cold War pressures made genuine non-alignment extremely difficult in practice.
Non-Aligned MovementSovereigntyResistance
Big Idea 4
The nuclear age fundamentally changed the logic of warfare
After Hiroshima and Nagasaki, war between nuclear powers became potentially civilization-ending. The doctrine of Mutually Assured Destruction (MAD) meant that a full nuclear exchange would destroy both sides. This paradox — weapons so powerful they couldn't be used — shaped Cold War strategy and led to the proxy conflicts that defined the era.
Nuclear WeaponsMADCold War Strategy
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Cold War
Geopolitical tension between the US and USSR (1947–1991) characterized by ideological competition, arms races, proxy wars, and a nuclear standoff — but no direct military conflict between the superpowers.
Cold War
Truman Doctrine
U.S. policy (1947) committing America to containing communism by supporting nations threatened by Soviet expansion; signaled the start of the Cold War as a global ideological struggle.
Cold War
Decolonization
The process by which colonized peoples in Africa, Asia, and the Caribbean gained independence from European powers — primarily between 1945 and 1975; driven by nationalist movements, WWII's weakening of Europe, and Cold War dynamics.
Decolonization
Non-Aligned Movement
Coalition of newly independent nations (led by India, Egypt, Yugoslavia) that refused to formally align with either the US or Soviet bloc; asserted the right of newly independent states to chart their own course.
Cold War
Proxy War
Conflict where major powers support opposing sides without direct confrontation; examples include the Korean War, Vietnam War, and conflicts in Angola, Afghanistan, and Nicaragua.
Cold War
Apartheid
South Africa's system of institutionalized racial segregation (1948–1994); enforced white minority rule through law, violence, and international economic isolation until dismantled under Nelson Mandela.
Decolonization
Indian Independence (1947)
Britain's granting of independence to India and Pakistan; accompanied by Partition — a violent division along religious lines that displaced 15 million people and killed hundreds of thousands.
Decolonization
Cuban Missile Crisis (1962)
13-day standoff between the US and USSR over Soviet nuclear missiles in Cuba; the closest the Cold War came to nuclear war, resolved through back-channel diplomacy.
Cold War
Mao Zedong
Chinese Communist leader who led the People's Republic of China (1949–1976); his policies (Great Leap Forward, Cultural Revolution) caused tens of millions of deaths while rapidly industrializing China.
East Asia
Mutually Assured Destruction (MAD)
Cold War nuclear strategy holding that any nuclear first strike would result in catastrophic retaliation, deterring both sides from launching nuclear weapons — the logic that kept the Cold War "cold."
Nuclear Age
Korean War (1950–53)
First major Cold War proxy war; North Korea (Soviet-backed) invaded South Korea (US-backed), drawing in US and Chinese troops; ended in stalemate at the 38th parallel that persists today.
Proxy War
Vietnam War (1955–75)
US military intervention to prevent communist North Vietnam from unifying the country; ended in US defeat, demonstrating the limits of superpower military intervention against nationalist movements.
Proxy War
Mahatma Gandhi
Indian independence leader whose philosophy of satyagraha (nonviolent resistance) and mass civil disobedience helped end British rule in India; inspired civil rights movements worldwide.
Decolonization
Nelson Mandela
South African anti-apartheid leader; imprisoned 27 years; became South Africa's first Black president in 1994 and led peaceful transition to multiracial democracy.
Decolonization
Berlin Wall
Soviet-built barrier (1961–1989) dividing East and West Berlin; physical symbol of the Iron Curtain; its 1989 fall marked the symbolic end of the Cold War in Europe.
Cold War
Containment
Core US Cold War strategy (articulated by George Kennan) of preventing the spread of communism rather than rolling it back; guided US foreign policy from Truman through Reagan.
Cold War Strategy
Marshall Plan
US program (1948–52) providing $13 billion to rebuild Western European economies after WWII; designed both to revive Europe and prevent communist political gains.
Cold War
Great Leap Forward
Mao's failed industrialization campaign (1958–62) in China; agricultural collectivization and steel production drives caused famine that killed an estimated 30 million people.
Mao's China
Cultural Revolution
Mao's campaign (1966–76) to purge "bourgeois" elements from Chinese society; Red Guards persecuted intellectuals, destroyed cultural heritage, and caused millions of deaths.
Mao's China
Glasnost & Perestroika
Gorbachev's reforms in the late 1980s: glasnost (openness in media/politics) and perestroika (economic restructuring); inadvertently triggered the collapse of the Soviet Union.
End of Cold War