Question

Why did the United States get involved in the Vietnam War?

Question 4 options:
A.to help northern Vietnam
B. to gain power
C.to contain communism
D.all of the above

Answer 1

They wanted to get involved because they saw Vietnam as the first domino in the row to spread communism to Southeast Asia. This is called 'the Domino Theory'.

so i guess its A.to help northern Vietnam