Final answer:
The Cheka was the secret police force established by Lenin's government to enforce the consolidation of the Bolshevik regime.
Step-by-step explanation:
The secret police group that supported Lenin's government were known as the Cheka. They served as the original Soviet state security organization and played a key role in consolidating the power of the Bolshevik regime during the Russian Civil War. Established in December 1917 by the Bolshevik government, the Cheka was responsible for counter-intelligence and internal security, including suppressing counter-revolution and sabotage.