The peasant rebellion against collectivization was the most serious episode in popular resistance experienced by the Soviet state after the Russian Civil War. In 1930, more than two million peasants took part in 13,754 mass disturbances. In 1929 and 1930, the OGPU recorded 22,887 "terrorists acts" aimed at local officials and peasant activists, more than 1,100 murders.
Lynne Viola, Peasant Rebels Under Stalin: Collectivization and the Culture of Peasant Resistance
collectivization, communism, n-ussr, soviet-union, stalin