WORLD CIVILIZATION

Detailed explanation-1: -The Sumerians were the first people to migrate to Mesopotamia, they created a great civilization. Beginning around 5, 500 years ago, the Sumerians built cities along the rivers in Lower Mesopotamia, specialized, cooperated, and made many advances in technology.

Detailed explanation-2: -They invented the first form of writing, a number system, the first wheeled vehicles, sun-dried bricks, and irrigation for farming. All of these things were important for the development of human civilization.

Detailed explanation-3: -The earliest ruler mentioned is Etana of Kish, who, in a document from the time, is credited as having “stabilized all the lands.” One thousand years later, Etana would be memorialized in a poem that told of his adventures in heaven.