Answer:
What was the Peloponnesian War? The Peloponnesian War was a war fought in ancient Greece between Athens and Sparta—the two most powerful city-states in ancient Greece at the time (431 to 405 B.C.E.).
What Were the results of the Peloponnesian War?
This war shifted power from Athens to Sparta, making Sparta the most powerful city-state in the region.
How did it weaken Greek city-states?
All Greek city-states were weakened by the war. Many casualties. Farms were destroyed. The war made it difficult for the Greeks to trust each other and made future unification nearly impossible.
Step-by-step explanation: