Which statement best describes the Sumerian city-states?
Each had a written code of laws.
Each was located on the Tigris River.
O Each was located in the mountains.
O Each had its own government.
Explanation: Sumerian city-states were generally accepted as first cities in the world that rose in Sumer as well as among the most important. Some of them were Eridu, Uruk, Ur, Larsa and many others.