Question

What played a major factor in ending U.S. involvement in the Vietnam War?

A peace treaty signed by leaders in North and South Vietnam
A protest movement of young people that influenced popular opinion
The division of the country along the 17th parallel line in 1954
The Soviet Union's military and financial support of the northern Viet Cong

Answer 1

B. A protest movement of young people that influenced popular opinion.

Answer 2

The correct answer is "The Soviet Union's military and financial support of the northern Viet Cong"

The fall of the Southern Vietnam capital of Saigon on April 30, 1975, signaled the end of US involvement in Vietnam. Both Southern and Northern Vietnam were unified that year. Northern Vietnam was able to secure victory due to the support they received from the Soviet Union which aided it with weapons as well as resources.