1. Peloponnesian War

2. Causes Greek city states worried that Athens is too powerful especially Sparta Athens and Sparta believed war was inevitable They allowed conflicts to escalate with their colonies

3. Causes Cont. Sparta and its allies creates the Peloponnesian League Fights a land campaign Athens and its allies creates the Delian League Fights a naval campaign and a blockade

4. Early Battles Sparta sieged Athens Athens becomes overcrowded and disease breakout and kills 1/3 of pop.

5. Stalemate Athens invades Sparta’s ally Syracuse (Sicily) The expedition ended in failure Athenian army completely destroyed

6. Athens surrenders Athens managed to hold on a few years but eventually surrendered to Sparta

7. Spartan Demands Athens  Tear down city walls  Disband navy  Disband Dalian League Sparta wins and becomes the greatest city-state in Greece

8. Fall of Sparta Sparta becomes a bully Eventually all the other Greek city-states lead by Thebes create an alliance The alliance defeats Sparta

9. New Invaders The end of the war leaves Greece politically and military divided Greece is completely weak and open to invasion Invaded by the Macedonians and Philip II