It was first developed in a river valley. This is where they started to farm.
Religion
Architects built temples and pyramids as places for worship or sacrifice, or for the burial of kings and other important people. Painters and sculptors portrayed stories of nature.
Social Structure
Governments organize and regulate human activity. They also provide for smooth interaction between individuals and groups
Writing
They believed that gods and goddesses were important to the community's success
A new social structure based on economic power also arose. Rulers and an upper class of priests, government officials, and warriors dominated society. Below this class was a large group of free people - farmers
The writing was an important feature in the life of these new civilizations. Above all, rulers, priests, merchants, and artisans used writing to keep accurate records.