Among the purged there were experts in industry, economics, engineering, and many of their most talented writers and thinkers. The victims included most of the nations military leaders and half of its military officers.
The Yellow and Yangtze Rivers
A lasting impact of European colonialism was the creation of artificial boundaries created by colonial rulers brought together and separated people arbitrarily. For example, if you look at the boundaries of the nations in Africa, you will notice that cultural groups were divided and combined within and by lines created by European powers.
18 states were a part of the us in 1812
The answer is astronomer Galileo Galilei