Two months after the signing of the Vietnam peace agreement, the last U.S. combat troops leave South Vietnam as Hanoi frees the remaining American prisoners of war held in North Vietnam. America’s direct eight-year intervention in the Vietnam War was at an end.

China had become communist in 1949 and communists were in control of North Vietnam. The USA was afraid that communism would spread to South Vietnam and then the rest of Asia. It decided to send money, supplies and military advisers to help the South Vietnamese Government.

Congress considers the Vietnam Era to be “The period beginning on Feb. 28, 1961 and ending on May 7, 1975 … in the case of a veteran who served in the Republic of Vietnam during that period,” and “beginning on Aug. 5, 1964 and ending on May 7, 1975 … in all other cases.”

In March 1965, Johnson made the decision—with solid support from the American public—to send U.S. combat forces into battle in Vietnam. By June, 82,000 combat troops were stationed in Vietnam, and military leaders were calling for 175,000 more by the end of 1965 to shore up the struggling South Vietnamese army.

The United States did not declare war during its involvement in Vietnam, although the Gulf of Tonkin Resolution authorized the escalation and use of military force in the Vietnam War without a formal declaration of war.

Those who argue that the United States won the war point to the fact that the U.S. defeated communist forces during most of Vietnam’s major battles. They also assert that the U.S. overall suffered fewer casualties than its opponents. The U.S. military reported 58,220 American casualties.

In general, historians have identified several different causes of the Vietnam War, including: the spread of communism during the Cold War, American containment , and European imperialism in Vietnam. The main reason the United States got involved in Vietnam was the purpose of doing everything possible to keep communism from spreading around world.

The united States ended it’s involvement in the Vietnam war because of the Case–Church Amendment passed by the U.S. Congress. The capture of Saigon by the NVA in April 1975 marked the end of the war, and North and South Vietnam were reunified the following year.

The USA involvement in the war led to many controversies. The sole purpose for US involvement was due to request by government of South Vietnam, in order to repel the communist aggression from the north. The aim was to secure the settlement and allow the Vietnam people decide on…

President Richard M. Nixon assumed responsibility for the Vietnam War as he swore the oath of office on January 20, 1969.