Given a premise, retrieve a hypothesis that is entailed by the premise.By the Early Bronze Age (c. 3200 b.c.  2200 b.c. ), people had begun fortifying their towns, building temples and palaces, and founding the first city-states.
In the Early Bronze Age the first city states arose with fortified settlements, temples, and even palaces.
The first city states did not arise until the late Iron Age.