Answer:
The answer is below
Explanation:
The Neolithic Revolution was when human society moved away from the hunting and gathering style of society to an agricultural society.
The advantages of Fertile Crescent and Nile River Valley during this period was that it supports the growth of agricultural products such as cereals products thus favor human settlement.
However, the disadvantages of both regions were that it is prone to flooding. This flooding affects agricultural farmland and human settlement in the surrounding areas.
It brought upon social stratification because certain jobs enabled receiving more food which in turn gave these people the upper hand as they were able to decide who will have enough food to survive. Another thing was blacksmithing and smithing swords only for themselves which gave them a weapon that other people didn't have.
A. 20 is what i know and what i found online hope its right.
I think its b hope this helped ya out!!
