Irrigation let these early farmers grow ________-or an extra amount of food.

What are the names of the two rivers that surround Mesopotamia?

Flooded rivers were filled with _______, or small particles of soil. When the floods ended, ____ was left on the banks and plains making the land fertile.

Historians think that each city-state was protected by a large city ____.

The method of watering crops that the Mesopotamians invented is called _________system.

Name 2 Sumerian cities.

Sumer is located in Northern/ Southern Mesopotamia.

What is a city state?

When cities/ countries help each other because the share common interests, the form an a _ _ _ _ _ _ e.

What material did the Sumerians use to build their houses?

The civilization of Mesopotamia, the earliest known one, developed in what is now southern _________.

Mesopotamia is part of the larger _____ _______, a strip of good farmland.

What were some of the reasons that the Sumerian city-states were going to war against each other?