Vast Empires
The majority of the river civilizations of the ancient times had a King or an Emperor from the Sumer to Assyrian right through the Achaemenide Persian Empire.
Irrigation.
Most river valley civilizations accepted religion of some sort. Unfortunately, however, they also accepted slavery as a standard part of their culture.
Early civilizations were founded in major river valleys.
The first Chinese civilizations developed around the?
The Nile River helped civilizations to develop in West Africa.
The Nile River was the axis of two early African civilizations
Huang He
Democracy
5000 B.C. is when the first civilizations emerged in river valleys.
The first river valley civilization was Mesopotamia, located in Asia. Asia has had the most river valley civilizations.
Being close to a river
The Nile River.
Vast Empires
They had to sale the slaves from africa in order to get more gold and more food in order to survive
Upon which river were the Harappan and Mohenjo-Daro civilizations founded