USA HISTORY

Detailed explanation-1: -The domino theory was a Cold War policy that suggested a communist government in one nation would quickly lead to communist takeovers in neighboring states, each falling like a row of dominos.

Detailed explanation-2: -The US justified its military intervention in Vietnam by the domino theory, which stated that if one country fell under the influence of Communism, the surrounding countries would inevitably follow. The aim was to prevent Communist domination of South-East Asia.

Detailed explanation-3: -domino theory, also called domino effect, theory adopted in U.S. foreign policy after World War II according to which the “fall” of a noncommunist state to communism would precipitate the fall of noncommunist governments in neighbouring states.

Detailed explanation-4: -The domino theory assumed that Soviets, communists, and socialists everywhere were unqualifiedly evil. An American nuclear strike on Vietnam was essential in order to halt a Viet Cong victory which would set off a chain reaction of countries falling to the communists, like a row of falling dominoes.