Cold War and Decolonization
Analyze superpower rivalry, proxy wars, nuclear tension, independence movements, nonalignment, and the end of colonial empires.
A lesson of World History, in The Twentieth Century, about 10 minutes.
The Cold War and Decolonization
By the end of this lesson, you will be able to explain the origins and structure of the Cold War, describe major Cold War crises and proxy conflicts, and analyze the decolonization of Asia and Africa and its relationship to Cold War competition.
Origins of the Cold War
The "Big Three" at the end of WWII: US, UK, Soviet Union — allied against Axis, but ideologically opposed.
Yalta Conference (Feb 1945): FDR, Churchill, Stalin agreed on post-war Europe — but Stalin's intentions about Eastern Europe were ambiguous.
Post-war reality: Soviet Red Army occupied Eastern Europe; Stalin installed communist governments in Poland, Czechoslovakia, Hungary, Romania, Bulgaria, East Germany. Churchill described an "Iron Curtain" dividing Europe.
Why a Cold War, not hot?
- Both superpowers had nuclear weapons by 1949 (Soviets tested their first bomb that year)
- Mutual Assured Destruction (MAD): nuclear war meant both sides were destroyed — no winner
- So competition was fought through alliances, ideology, economics, proxy wars, and espionage
The Cold War Structure
US led: NATO (North Atlantic Treaty Organization, 1949); Marshall Plan ($12 billion to rebuild Western Europe — and prevent communist takeover of economically desperate states).
USSR led: Warsaw Pact (Eastern European military alliance, 1955); COMECON (economic bloc).
Containment: US strategy (articulated by George Kennan) — not to roll back communism but to prevent its spread. The Truman Doctrine (1947) pledged US support to nations threatened by communist takeover.
Major Cold War Crises
Berlin Blockade (1948–1949): Stalin blockaded West Berlin (deep inside East Germany); US and allies conducted massive airlift for 11 months. Stalin backed down.
Korean War (1950–1953): North Korea (communist) invaded South Korea; US-led UN forces intervened; China entered war; armistice at roughly the original border (38th parallel). 36,000 US deaths; ~3 million total.
Cuban Missile Crisis (1962): Soviet Union placed nuclear missiles in Cuba. 13 days of confrontation (October 16–28) — the closest the world came to nuclear war. Resolved: Soviets removed missiles; US pledged not to invade Cuba and secretly removed missiles from Turkey.
Vietnam War (1955–1975): US backed South Vietnam against communist North Vietnam. Massive military involvement (1964–1973); 58,000 US deaths; 3+ million Vietnamese. US withdrew; North Vietnam reunified Vietnam (1975) — the first major US military defeat.