Opposition to United States involvement in the Vietnam War on. As public support decreased, opposition grew. The Gallup News Service began asking the American public whether it was a "mistake to send troops to Vietnam" in August 1965. At the time less than a quarter of Americans polled, 24%, believed it was a mistake to send troops to Vietnam while 60% of Americans polled believed the opposite. Three years later, in September 1968, 54% of Americans polled believed it was a mistake to send troops to Vietnam while 37% believed it was not a mistake. A 1965 Gallup Poll asked the question, "Have you ever felt the urge to
1968 in the Vietnam War President Lyndon Johnson addresses the nation, announcing steps to limit the war in Vietnam and reporting his decision not to seek reelection. The speech announces the first in a series of limitations on US bombing, promising to halt these activities above the 20th parallel. United States Secretary of Defense Clark Clifford gets the President to authorize 24,500 more troops on an emergency basis, raising authorized strength to the Vietnam War's peak of 549,500, a figure never reached. Operation Toan Thang I was a US and ARVN operation conducted between 8 April 1968 and 31 May 1968. Toan Thang, or "Complete