Answer:
The right answer is "It encouraged nationalist movements in other countries in Europe and Asia."
Explanation:
The Russian Revolution inspired revolutionaries and people who fought for national liberation of peoples opressed by European colonialism. Even in the West, many intellectuals experienced fascination with the Soviet Union and communism; often, they did ignore the intense repression and crimes committed by Stalin´s regime.
The answer to this would be C. The other two would not make sense or fit for the time period. Also c is true, just learned this in history too!