The document discusses two major revolts against the Bolsheviks in 1921 - the Tambov Rebellion and the Kronstadt Revolt. The Tambov Rebellion was a widespread peasant uprising in response to millions of deaths from starvation under War Communism. The Kronstadt Revolt involved sailors and soldiers rebelling against compulsory labor and the replacement of soviet influence with the Vesenkha ministry. The Politburo anticipated the rebels would be unhappy about political oppression, economic misery, and witnessing the dire situation in cities like Petrograd. After defeating an initial attack, Trotsky mobilized over 60,000 troops equipped with artillery to put down the Kronstadt Revolt over almost three weeks of fighting, executing around