These was a cause of the Korean War?
A. North Korea embraced communism while South Korea choose democracy.
B. South Korea rejected American policies accepted by North Korea.
C. North Korea established a blockade to prevent goods reaching South Korea.
D. South Korea entered into a treaty with China that endangered North Korea.

A. North Korea embraced communism while South Korea choose democracy.

Explanation:

Today, historians generally agree on several main causes of the Korean War, including: the spread of communism during the Cold War, American containment, and Japanese occupation of Korea during World War II.

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