Question

What was a main reason the U.S. decided to help South Korea in the Korean War?
A.
To control global trade routes
B.
To gain new territories in Asia
C.
To stop the spread of communism
D.
To test out new military weapons

Answer 1

C. To stop the spread of communism

The United States intervened in Korea primarily to contain communism and prevent North Korean (and by extension Soviet/Chinese) expansion, consistent with its Cold War containment policy.