Answer:
What do you mean?
Explanation:
I can help with challenging stuff depending on your grade.
The basis of the division was social class I believe it was devised between the wealthy, middle, and lower class the lower class included slaves and indebted servants
Well ancient Greece was an oligarchy (kind of like a democracy). Greece has City States, as well as Ancient Mesopotamia. Mesopotamia had kings though, but was ran like an Oligarchy.