As native american were working to death and dying of diseases what group of people brought in to replace them as laborers

What is the social order of the ancient river valley civilization of mesopotamia?

The decision states that legislation cannot overcome social prejudice. can it reinforce social prejudice? how?

How did the mali empire come to an end? a. rulers lost control of gao. b. they were conquered by axum. c. ghana took over their territory. d. sundiata was captured by mansa musa brainliest!