USA HISTORY

Detailed explanation-1: -A Red Scare is the promotion of a widespread fear of a potential rise of communism, anarchism or other leftist ideologies by a society or state. The term is most often used to refer to two periods in the history of the United States which are referred to by this name.

Detailed explanation-2: -Shortly after the end of the war, rivalry between the Marxist–Leninist Soviet Union and liberal capitalist United States resulted in the Cold War. During this period, the United States government played a leading role in supporting global anti-communism as part of its containment policy.

Detailed explanation-3: -In 1947, President Harry S. Truman pledged that the United States would help any nation resist communism in order to prevent its spread. His policy of containment is known as the Truman Doctrine.

Detailed explanation-4: -The United States feared specifically a domino effect, that the communism of the USSR would spread from one country to the next, destabilizing one nation which would, in turn, destabilize the next and allow for communist regimes to dominate the region.