He was aware of social injustice, opposed totalitarianism, and belief in democratic socialism.
According to John McNair during an Interview with Ian Angus UCL 1964, Orwell is quoted as saying I've come to fight against Fascism" when he went to Spain to aide in the Spanish civil war against the fascists. This would tend to indicate that he was anti-NAZI.
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Sorry it's not a hundred fifty words, but it's the best i can do.
Hope it helps, though!