USA HISTORY

Detailed explanation-1: -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-2: -The Truman Doctrine is an American foreign policy that pledges American “support for democracies against authoritarian threats.” The doctrine originated with the primary goal of containing Soviet geopolitical expansion during the Cold War.

Detailed explanation-3: -It called for U.S. policy initiatives toward communism in general, and the Soviet Union specifically, to “contain” communism in countries where it existed in 1946.

Detailed explanation-4: -Truman adopted a policy of containment, in which the U.S. would attempt to prevent the spread of Communism but would not actively seek to regain territory already lost to Communism. He also announced the Truman Doctrine, a policy of aiding countries in danger of falling to Communism.