How might twentieth century communism and socialism be similar? a) both preached racial superiority. b) both believed in command economies. c) both were created following the outcome of world war i. d) both were driven to extinction by the end of the century.

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Communism and socialism are economic and political structures that promote equality and seek to eliminate social classes. The two are interchangeable in some ways, but different in others.In a communist society, the working class owns everything, and everyone works toward the same communal goal.

I believe the answer is B

Explanation: