Final answer:
There were five major city-states in Sumer, including Uruk, Nippur, Umma, Lagash, and Ur, each with its own patron god or goddess.
Step-by-step explanation:
The answer is b) Five major city-states in Sumer. Sumer was divided into about a dozen independent city-states, each with its own patron god or goddess. The major city-states included Uruk, Nippur, Umma, Lagash, and Ur, which were centers of innovation, learning, and religious worship.