Which of the following is not a similarity between communism and fascism?

a. fascism and communism both rely on ideology.

b. fascism and communism both often run under single-party dictatorships.

c. fascism and communism both often include censorship and government-controlled media.

d. fascism and communism both often include indoctrination, unquestionable obedience to the state, and state control of the economy.