In the first period, 1929-36, one of collectivization, Stalin controlÂled and eliminated classes; during the Great Purge of 1937-38, milÂlions of Communist party members and bureaucrats were executed, and then the purge extended into the Red Army. Dyadkin shows that World War II took close to 30 million lives and that during 1950-53 another 450,000 died in prison camps.