Well, his pro-US sentiments are somewhat exaqggerated. Ho Chi Minh was yet another alias for Nguyễn Ái Quốc/Nguyễn Sinh Cung who lived for a time in the Soviet Union and founded one of the several competing Vietnamese Communist Parties in the 1920s. He always was pro-Soviet, but he was willing to work with the US because he believed that the US wanted to break up the French Empire after the war.