Original sentence: Confiscations of grain and other food by the Soviet authorities under his orders contributed to a famine between 1932 and 1934, especially in the key agricultural regions of the Soviet Union,  Ukraine (see Holodomor), Kazakhstan and North Caucasus that resulted in millions of deaths
Edited sentence: Confiscations of grain and other food by the Soviet authorities under his orders contributed to a famine between 1932 and 1934, especially in the key agricultural regions of the Soviet Union,  Ukraine (see Holodomor), Kazakhstan and North Caucasus that resulted in tens of millions of deaths, a middle estimate being in excess of 40 million