How did American public opinion about the Soviet Union change after World War 2?

After World War II, American public opinion about the Soviet Union shifted dramatically from wartime alliance to suspicion and hostility. Initially viewed as a crucial partner in defeating Nazi Germany, the Soviets' expansionist policies and the spread of communism in Eastern Europe fueled fears of a global communist threat. This shift was exacerbated by events such as the Berlin Blockade and the onset of the Cold War, leading to a prevailing sentiment of distrust and antagonism toward the Soviet Union among the American populace. As a result, the U.S. adopted a more confrontational stance, marking the beginning of decades of ideological and geopolitical rivalry.