Answer:
Relied upon rural agriculture for support
Step-by-step explanation:
The first cities in the world emerged in the Middle East, most specifically in the fertile crescent, a region that includes Mesopotamia, and the Levantine Coast.
These cities emerged because the surplus agricultural surplus from improved techniques allowed for the storage of food, and the development of the division of labor. These also caused the formation of the first governments, and the reproduction of social hierarchies.