Compare and Contrast River-valley civilizations developed in Sumer, Egypt, China, and the Indus River Valley

In all of the four river valley civilizations, religion was one of the biggest contributors to shaping each and every civilization. Religious leaders would play a very big role in all of the river valley civilizations.  

In China, people gained their governing rights by a mandate of heaven creating very long lines of dynasties until the common people of China decided that the dynasty had lost the favor of the Gods. But, in the Indus River Valley, the priests were referred as the head officials who had different amounts of authority. In Egypt, the pharaoh was seen as a God to the people and was then given his right as the supreme ruler in the eyes of the people.  

Though in Sumer, the kingdoms were organized into city-states and the different Kings ruled each city-states for their gods. The kings were assisted by priests, nobles, and scribed. But before the kings came, the priests were the one who would rule over all of  Sumer.

Explanation:

well those civilazations river valley all for farming in sumer they called did irrigation. they are the same too cause it helped for trade transportation most for farming it helped for bathing and food

The river valley civilizations used the rivers to travel as well as the Indus River valley. But the difference is that once was blocked to the world and one traded