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The nazis were right wing authoritarian capitalists. Instead of mass killings in our country we just slaughter innocent people in other countries.

(Not to say we don't live in a police state where we slaughter our own citizens)

Nazi just like communists started with eliminating opposition in their own countries before they killed anyone abroad.Unlike nazi rising to power communist transformation require a revolution, that's probably where the body count comes from, and revolution is an ongoing process, it don't stop untill all world is communist or there are no communists anymore.