Why did Communists discourage religion in the Soviet Union?

a. They were a pagan party.

c. They were afraid of religion and morals.

b. They were anti-Catholic.

d. They wanted the government to be the supreme authority.

One of the reason why Communists discouraged religion in the Soviet Union was that " d. They wanted the government to be the supreme authority," since many religions placed a great deal of authority in the hands of the Church.