Preview 1
The First Civilizations Two of the world’s first civilizations—Sumer and Egypt—developed in the fertile river valleys of Mesopotamia and northern Africa. The Tigris, Euphrates, and Nile rivers made life possible in a land of harsh deserts. The people of these early civilizations depended on the rivers for water to use
Preview 1
Preview 2
Preview 3
Preview 4
Preview 5
Preview 6