Vientiane Treaty on 30 April 1975, the Pathet Lao took over Laos 15 August 1975. Vientiane Treaty The Vientiane Treaty was a cease-fire agreement between the two warring Lao factions - the monarchial government of Laos and the communist Pathet Lao - signed in Vientiane (the capital of Laos), on February 21, 1973. The Vientiane Treaty was in some sense a corollary to the Paris Peace Accords, signed the month before, which had ended U.S. involvement in the Vietnam war. Just as the Paris Accords had mandated the withdrawal of all US forces in Vietnam, the Vientiane Treaty called for the removal
Role of the United States in the Vietnam War Role of the United States in the Vietnam War The role of the United States in the Vietnam War began after World War II and escalated into full commitment during the Vietnam War from 1955 to 1975. The U.S. involvement in South Vietnam stemmed from 20 long years of political and economic action. These had the common incentive of ending the growing communist domination in Vietnam. At the time, French forces, allies of the U.S., were backed by America — President Harry S. Truman provided progressively increasing amounts of financial and military assistance to French forces fighting in Vietnam. From