The main political unit in Sumer was the city-state.
Explanation:
The Sumerian Civilization was the first civilization in the world. It developed in the area known as Mesopotamia, or the Fertile Crescent. The Sumerians were very advanced or their time, and they managed to make numerous breakthroughs in several scientific fields.
The Sumerians were not united under one empire or kingdom though, but instead they were divided into city-states. The city-states was actually the main political unit. Each city-state had a city as its seat, and rural area around it which was under its control. The amount of rural area that each city-state had depended on its individual military power. Unlike the majority of the city-states that occurred later in history, the Sumerian city-states were all in good relations with each other, collaborated, and supported each other.
Some of the Sumerian city-states are:
Learn more about the Fertile Crescent https://brainly.com/question/1721347
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