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How did the Nazis use the concentration camp system throughout World War II?

How did the house of wisdom contribute to social developments during the golden age

Somebody save the ! what was greek math and science also medicine

How did the invention of the cotton gin affect slave labor in the united states? a. there was a forced migration of slaves from the south to the north. b. slave-owning cotton planters were gradually forced to sell their plantations. c. more slaves were purchased to work on cotton plantations in the south. d. the reduced need for labor on cotton plantations led to a decline in slavery. e. slaves were moved from cotton plantations to sugar plantations.