After decades of standoff, tensions eased (détente) and then, in 1989, crowds tore down the Berlin Wall with hammers and bare hands. The Cold War ended not with a bang but with a wall falling and an empire quietly dissolving.
The long unwinding
Tensions eased and hardened in cycles. The 1970s brought détente — arms-control treaties and cautious cooperation. The early 1980s saw a chill return. Then Soviet leader Mikhail Gorbachev, facing a stagnant economy, launched reforms: glasnost (openness) and perestroika (restructuring).
Gorbachev's refusal to prop up Eastern Europe's regimes with force let long-suppressed movements surge. In 1989 the Berlin Wall fell, and communist governments across the East collapsed largely peacefully. The Soviet Union itself dissolved in 1991.
Historians still debate the causes: economic overreach, the arms race's cost, the appeal of Western prosperity, and the courage of dissidents all played parts. What is clear is that the world's defining 20th-century rivalry ended not with the war everyone feared, but with a system's exhaustion.
- List four proposed causes of the Soviet collapse (economy, arms-race cost, reforms, popular movements).
- Rank them by how important you find each, with a one-line reason.
- Identify which cause is a long-term structural factor and which is a short-term trigger.
- Write a one-sentence thesis answering: why did the Cold War end when it did?
What you should see: You practiced historical causation — separating structural forces from triggers and building an argued thesis.