Mesopotamian civilizations were organized into city-states. All of the following are true about these city-states except:
a. The people of a city-state typically lived in or around walled cities where government buildings were located and people could be safe if attacked.
b. The people shared a common language, culture, and religion and were ruled by a king who enforced the laws.
c. The people shared in making the laws and deciding what to do when there was a surplus of food.
d. The most important building was a ziggurat or temple to the gods where sacrifices were made.