The correct answers are B) Corruption and devotion to selfish interests eroded democratic rule and D) War among city-states weakened defenses against foreign threats.
The following were effects of the Peloponnesian War: Corruption and devotion to selfish interests eroded democratic rule and war among city-states weakened defenses against foreign threats.
In the history of ancient Greece, the two most powerful cities-states engaged in an armed conflict period called the Peloponnesian War. We are talking about Athens and Sparta. The war started in 431 BC and ended in 405 BC. The Athenians were part of the Delian League in 478 BC and the Spartans were part of the Peloponnesian League. The battle was won by Sparta, known for their fierce warriors.