The thing that indus Valley, Huang, and Nile civilization have in common is :
They began in fertile river valleys
The land/area near the fertile river valleys are always good for planting various types of crops since it's near the water supply and really high in minerals. a Perfect spot to start a civilization
If the country or person feels the religion or culture is a threat they may exterminate them, only in some cases
Answer: Facist
Explanation: most if not all the other ones have a sort of president where the power is balance, whereas as Facist is where there is a dictator with all the power
