WORLD HISTORY

Detailed explanation-1: -In Southeast Asia, the U.S. government used the now-discredited domino theory to justify its involvement in the Vietnam War and its support for a non-communist dictator in South Vietnam.

Detailed explanation-2: -Dwight D. Eisenhower applied it to Southeast Asia, especially South Vietnam. The domino theory was one of the main arguments used in the Kennedy and Johnson administrations during the 1960s to justify increasing American military involvement in the Vietnam War.

Detailed explanation-3: -The domino theory basically stated if one new countrywent communist in Asia then it would begin a chain reaction that would cause several more Southeast Asian countries becoming communist.

Detailed explanation-4: -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-5: -U.S. officials were concerned that a victory by Ho’s forces and/or an agreement in Geneva might leave a communist regime in control of all or part of Vietnam.