Question

Why did the United States support South Vietnam rather than North Vietnam after the French left?

A. The United States intended to invade Cambodia through South Vietnam.
B. The United States thought that Laos planned to take over South Vietnam.
C. The United States was trying to promote Ho Chi Minh as the nation's leader.
D. The United States wanted to prevent communism from spreading.

Answer 1

http://www.rationalrevolution.net/war/american_involvement_in_vietnam.htm

Answer 2

A