Which of the following occurred after the Vietnam war spread into Vietnam but before Vietnam was united under a communist government?

A. Ho Chi Minh took leadership of the Vietcong.
B. Richard Nixon resigned from office after the Watergate scandal.
C. The Khmer Rouge group invaded Vietnam.
D. A cease­fire allowed U.S. troops to leave Vietnam.

Please help me I am so confused

That is why I'm confused.. sorry for the trouble. I guess my teacher wrote it in a bunch and got it messed up.

Yes. Please ask your teacher to clarify it.

The answer is??

What is the answer?

d is the answer

I actually think it is b

What do you mean "Vietnam war spread into Vietnam?"

Spread from where?