After Korea was freed from Japanese occupation in 1945, Korea became a battleground between two strong powers. The United States backed non-communist Koreans in the south, and A) China helped Korean communists gain power in the north. B) Vietnam helped Korean communists gain power in the north. C) the European Union helped Korean communists gain power in the north. D) the Soviet and Chinese helped Korean communists gain power in the north. tates foreign policy he meant tha