Explanation:

Cheka, also called Vecheka, early Soviet secret police agency and a forerunner of the KGB. From the beginning of their regime, the Bolsheviks relied on a strong secret, or political, police to buttress their rule. The first secret police, called the Cheka, was established in December 1917 as a temporary institution to be abolished once Vladimir Lenin and the Bolsheviks had consolidated their power.