USA HISTORY

Detailed explanation-1: -What Was the Domino Theory? By 1950, U.S. foreign policy officials had firmly embraced the idea that the fall of Indochina to communism would lead rapidly to the collapse of other nations in Southeast Asia.

Detailed explanation-2: -The domino theory was the basis for the United States strategy of containment, and the reason for entering the Vietnam War. The Vietnam War was a result of the national strategy of containment. The national strategy of containment demanded the U.S. stop communist aggression into the countries of Southeast Asia.

Detailed explanation-3: -Overview. 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 “containment policy” was the U.S. approach to containing, or preventing, the spread of Communism after World War II. The idea was to make other countries prosperous enough to avoid the temptation of communism. An early test of containment came in Greece and Turkey.

Detailed explanation-5: -The Truman Doctrine, also known as the policy of containment, was President Harry Truman’s foreign policy that the US would provide political, military, and economic aid to democratic countries under the threat of communist influences in order to prevent the expansion of communism.