Question

What city became the mightiest city-state in all of Summer​

Answer 1

Some of the most powerful city-states included Eridu, Bad-tibura, Shuruppak,

Answer 2

Explanation: The people known as Sumerians were in control of the area by 3000 B.C. Their culture was comprised of a group of city-states, including Eridu, Nippur, Lagash, Kish, Ur and the very first true city, Uruk.