Answer:
Option A
Explanation:
The Peloponnesian war (431-404 B.C.) was a war between the Sparta and the Athens which began after the Persian Wars.The war started as a result of Athenian control of the Delian League, and her dominating presence in the Mediterranean Sea
The war ended on 25 April 404 B.C. which ended in victory for Sparta when Athens surrendered, this defeat leads to Sparta thirty years of rule (404–403 bc) which came to be known as Thirty Tyrants that lead to democracy been suspended in Athen while Spartan imposed oligarchy reign.