WORLD HISTORY

Detailed explanation-1: -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-2: -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-3: -You have a row of dominoes set up, you knock over the first one, and what will happen to the last one is the certainty that it will go over very quickly. So you could have a beginning of a disintegration that would have the most profound influences.

Detailed explanation-4: -Based on the perceived threat of the domino theory, the U.S. government adopted the policy of containment: trying to contain communism in the countries it was already in and keep it from spreading.

Detailed explanation-5: -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.