The Cold War in the Twentieth Century and Red Scare The Cold War defined American thoughts and actions for most of the twentieth century beginning with the
Red Scare in 1919 and continuing through Ronald Reagan’s perception of the “Evil Empire.” What was the Cold War, when, where and why did it erupt into violence? What were the origins and consequences of the Cold War.? Give specific examples to support your argument. Truman’s last years in office were marred by charges that his administration was lax about or even condoned, subversion and disloyalty and that communist, called “reds,” had infiltrated the government.