I want to say that biology is the answer.
you can get an illness that is triggered by stress. That's the simplest way I can explain it.
The geographic factor that was most important to the development of the early River valley civilization would be the river. this is because it gave them fertile soil to grow crops. 2 people found this useful
Answer:
They wanted to set rules for the people, the power may be the peoples' but they needed to set "ground rules". Like owning a house, its your house but you give yourself some rules.
Explanation:
