What was the result of the Vietnam War? A. North and South Vietnam were united under democratic rule. B. North and South Vietnam were united under communist rule. C. China invaded and conquered Vietn

What was the result of the Vietnam War?

A. North and South Vietnam were united under democratic rule.

B. North and South Vietnam were united under communist rule.

C. China invaded and conquered Vietnam.

D. The United States defeated and dismantled the government of North Vietnam.

I feel like it's C but i'm unsure. Help