How did nearby rivers affect the development of Mesopotamia and ancient Egypt?

Nearby rivers, such as the Tigris and Euphrates in Mesopotamia and the Nile in Egypt, were crucial for agriculture and settlement. They provided fertile soil through annual flooding, which allowed for successful crop cultivation and supported population growth. Additionally, these rivers facilitated trade and communication, enabling the exchange of goods and ideas. Their presence shaped the cultural and economic development of both civilizations, making them some of the earliest centers of human civilization.