Why did the United States take part in the Korean War?

Question

A.
to establish a colony on the Korean peninsula

B.
to defend South Korea against communist aggression

C.
to aid its Chinese allies against an aggressive neighbor

D.
to prevent North Korea from acquiring nuclear weapons

Answer 1

The correct answer is:

B. to defend South Korea against communist aggression.

The United States entered the Korean War in 1950 to support South Korea after North Korea invaded it, aiming to stop the spread of communism during the Cold War.