Answer:
Aileen must form an explanation if she hasn't already done the hypothesis,
The answer is B iknow this because i took this assignment
While the region was widely occupied by humans as early as 12,000 B.C.E., historians believe that large civilizations began in Mesopotamia between 4,000 and 3,000 B.C.E. Mesopotamia's development in this period was supported by a series of geographical factors, including rivers and fertile lands.
6-13% bro hope this helps
