Question

russia after the revolution
the secret police group who supported lenins government were known as the
cheka. czars. bolsheviks. communist party.

Explanation:

The Cheka was the secret - police organization that supported Lenin's government after the Russian Revolution. Czars were the former rulers of Russia before the revolution. The Bolsheviks were a political party, and the Communist Party is a broader political entity. The Cheka was specifically the secret - police group for Lenin's regime.

Answer:

A. Cheka