Stalin subjected the Soviet Union to rule as he transformed it into a world power.:
totalitarian
He oversaw the imprisonment and execution of millions during the .:
Great Purge
His collectivization of farmland under a economy resulted in severe shortages of food and consumer goods.:
command
He relied on to maintain power and persecuted heavily, while restructuring the nation's education system to make the Soviet Union more economically productive.:
terror
He relied on to maintain power and persecuted heavily, while restructuring the nation's education system to make the Soviet Union more economically productive.: