1968 in the Vietnam War Adams' iconic image of South Vietnamese General Nguyễn Ngọc Loan's execution of a Viet Cong operative was taken in 1968. The year also saw Walter Cronkite's call to honourably exit Vietnam because he thought the war was lost. This negative impression forced the US into the Paris peace talks with North Vietnam. US troop numbers peaked in 1968 with President Johnson approving an increased maximum number of US troops in Vietnam at 549,500. The year was the most expensive in the Vietnam War with the American spending US$ (US$ in 2019) on the war. The year also became the deadliest
People's Peace Treaty and not to interfere in the internal affairs of these two countries.<br> 9. Upon these points of agreement, we pledge to end the war and resolve all other questions in the spirit of self-determination and mutual respect for the independence and political freedom of the people of Vietnam and the United States.<br> <br> By ratifying this agreement, we pledge to take whatever actions are appropriate to implement the terms of this Joint Treaty of Peace, and to insure its acceptance by the government of the United States.<br> <br> South Vietnam National Student Union <br> South Vietnam Liberation Student Union <br>