I believe that was Lyndon B. Johnson. America's involvement in Vietnam was limited until he became president. According to Wikipedia, "It was Johnson who began America's direct involvement in the ground war in Vietnam." See the Related Links below for more information.
LBJ (President Johnson).
President Lyndon Johnson
Richard Nixon is responsible for calling a cease-fire to end US bombing of North Vietnam. Shortly thereafter, all of the other actors in the war agreed to the cease-fire.
While he would have liked to have been remembered for his "great society" which brought us medicare, the civil rights act, and other such programs to help the poor, the unfortunate truth is he will probably always be remembered as the president that ramped up the Vietnam war. As long as there are Vietnam era people still alive he will be remembered as the president that fully commited American troops to the Vietnam conflict that resulted in over 50,000 American troops being killed. There were riots in the streets of America protesting the war. The country was pretty much on edge over the whole issue.
A peace agreement was reached with North Vietnam in which the U.S.and Australia would with draw there troops and North Vietnam would stop attacking South Vietnam. After the U.S. and Australia withdrew there troops North Vietnam broke it's agreement and attacked and over ran South Vietnam.
South Vietnam are the non-communist side of Vietnam, which supported by the US vastly on war supplies, troops, and other thing to fights against the North Vietnam (the communist side).
Lyndon B. Johnson diverted fund from the Great Society programs to be spent on Arm, Troops, and other defenses essential to fight the Vietnam War
The easy and often repeated belief. US troops had been in RVN (Republic of South Vietnam) before Johnson (LBJ) was president; before his former boss JFK (Kennedy) was president. US servicemen were being killed in battle in South Vietnam long before LBJ took office in Washington. The Johnson administration commenced open war (via the Tonkin Gulf Resolution) with North Vietnam in August 1964. No other US president prior to LBJ conducted open hostilities with North Vietnam. Open hostilities=Open aerial bombing/bombing campaigns (Operation Rolling Thunder, etc.).
South Korea , Australia and New Zealand .
Helps other party members
Roughly a million Vietnamese were killed in the war.
In the United States there was a draft. Other involved nations may have had other mechanisms for choosing their conscripts.
The North Vietnamese transported troops and supplies through Cambodia and Laos in order to supply their army in South Vietnam. Their primary transportation route was known as the Ho Chi Mien Trail.
No US president fought in the Vietnam War. Eisenhower and Kennedy were the president when the US first became involved. Johnson and Nixon were the president when the serious fighting took place.