PiyushK wrote:
C. Culturally and politically diverse nations – France, Great Britain, the Soviet Union, and the United States – each part of the Allied Forces in World War II, -- ed modifier united modifies War II. verb is missing.
Actually, that's not the case, because "united" acts as a verb instead of a modifier in option (C). Therefore, there are no grammatical errors in C, and IMO it does the best job maintaining the emphasis of the original.
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