The answer is D. Mesopotamia, Egypt, and the Indus River Valley relied on farming.
In the South, slaves worked on cotton, tobacco, and rice plantations.
In the North, slaves worked in cities, on farms, and on ships.
I really hope this helped :)
B. Nomadic peoples were increasingly sinicized
A lot of people are saying that they mostly do it to people with not many points bc they could be beginners
Answer:
Because he could pass for a white man.