In the Peloponnesian War,

Macedon defeated Sparta

Sparta defeated Persia

O Sparta defeated Athens

O Athens defeated Sparta

Sparta defeated Athens. In 404 BC, Athens was forced to surrender to Sparta during the Peloponnesian War.

Answer:Sparta defeated Athens

Explanation: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.). This war shifted power from Athens to Sparta, making Sparta the most powerful city-state in the region.