"Agriculture, was followed by job specialization, then by social stratification, and finally by chiefdoms" would be correct, since agriculture allowed people to go off and do other jobs since there was a surplus of food.
The Epic of Gilgamesh, the other ones don't even exist.
Answer:
C.Low Population I'm sorry if I am wrong
During the colonial period, it was the Appalachian Mountains that presented the greatest barrier to the westward migration of american settlers, since most of the settlements were in the North instead of the South, where the mountains could be bypassed.
