It's A
Irrigation was overused, the soil didn't get any rest (crop rotation is a younger invention), the result was salinization of the soil, which led to decline of Sumer.
Answer:
I think its a or maybe b if im thinking about the right thing
Answer: A. less centralized than under Mauryan rule
Explanation:
Answer:
In a system known as the triangular trade, Europeans traded manufactured goods for captured Africans, who were shipped across the Atlantic Ocean to become slaves in the Americas. The Europeans, in turn, were supplied with raw materials.
