The famine of 1932–33 was the cause of 4-10 million deaths , most of which occurred in Ukraine , Kazakhstan , North Caucasus , and the Volga region .
This led to significant disruptions in food production that contributed to the famine of 1932–33 , in which between four and ten million people died ; most of them in Ukraine , Kazakhstan , North Caucasus and the Volga region .
Joseph Stalin