Which of these was a result of the Peloponnesian War? Athens was seriously weakened and lost its military might. Athens gained political power and spread Hellenistic culture. Athens overthrew Sparta and attempted to unite the city-states. The Greek city-states were able to unify under Spartan rule.
One of the major results of the Peloponnesian War was that "Athens was seriously weakened and lost its military might," since Sparta had started the war in order end Greek dominance of the region.
