The UN International Commission of Inquiry on Darfur concluded that the government of Sudan did not pursue a policy of genocide because:

they both built pyramids.

polisit can also mean a body of citizens. in modern historiography, polis is normally used to indicate the ancient greek city-states, like classical athens and its contemporaries, and thus is often translated as "city-state". the body of citizens came to be the most important meaning of the term polis in ancient greece.

the poor lived on the docks by the sea, and the wealthy lived in highly populated urban areas. that is the answer