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
CIA activities in Vietnam Vietnam to treat refugees and to train Vietnamese medical personnel. The second pacification operation was launched late April 1955 in the southern Dinh Dinh and northern Phu Yen portion of Central Vietnam. Northern Vietnamese troops needed a way to link themselves with their allies in Southern Vietnam. The Viet Cong and Northern Vietnamese soldiers were able to supply troops and military operations through secret tunnels and the Ho Chi Minh trail. The Ho Chi Minh trail was an interlocking trail system that was created through the borders of Laos and Cambodia that reach from North Vietnam to South Vietnam. During