What characteristics describe ancient sumerian civilization? select all that apply (3)
- city-states ruled by kings
- job specialization
- monotheistic religion
- social hierarchies
- use of terraced fields

Here are three characteristics describe ancient Sumerian Civilization:

- City-states ruled by kings
To be exact, each Sumerian city-states were ruled by Kings that also acted as the highest priest

- social hierarchies
The highest social hierarchies were held by priest and nobilities while the lowest one was held by common workers

- job specialization 
The sumerian cititizens was divided into Farmers, soldiers, and craftmens.