Why did the U.S. Fear Communism?
When discussing the Cold War, the most common explanation is that the United States was defending freedom while the Soviet Union was spreading dictatorship. While ideology certainly played a role, the historical record reveals a more complicated story. To understand why the United States fought so aggressively against the spread of communism, it is important to examine what happened in countries where communist or socialist movements gained ground. Vietnam: The Domino That Had to Be Stopped After the defeat of French colonial rule, Vietnam became divided between the communist North under Ho Chi Minh and the anti-communist South supported by the United States. American policymakers argued that if Vietnam became communist, neighboring countries would follow. This belief became known as the "Domino Theory." The United States eventually mobilized massive troops, spent heavy resources, and suffered number of casualties in an attempt to prevent communist victory. Yet Vietnam itsel...