Why were the Greek city-states weakened at the end of the Peloponnesian War?

It was a group of Sparta and its allies who opposed Athens and its allies. Sparta was the leader. Why did the Greek city-states lose power after the Peloponnesian War? Because their economy was destroyed, their crops trampled and lost, citites were ruined, and the population was destroyed by plague and fighting.

Explanation:

gaius cassius longinus and marcus junius brutus, former enemies of julius caesar who'd joined the roman senate, led caesar's assassination, dubbing themselves "the liberators." and the second one is   the assassination of julius caesar was the result of a conspiracy by many roman senators led by gaius cassius longinus, decimus junius brutus albinus, and marcus junius brutus. they stabbed caesar (23 times) to death in a location adjacent to the theatre of pompey on the ides of march 15 march 44 bc.

they killed other men

explanation: