Originally an organization to protect against pirate raids across the Corinthian Gulf, this league reformed with the express 
Originally an organization to protect against pirate raids across the Corinthian Gulf, this league reformed with the express purpose of expelling the Macedonians and restoring Greek rule. After its admission of Megalopolis to the league in 235 BC angered Sparta, it made peace with Macedonia, joining King Antigonus Doson in his war against Cleomenes III of Sparta. It opposed Philip V, however, and joined the Roman side in the Second Macedonian War. For 10 points, name this league that was eventually crushed by Rome in 146 whose greatest leader was Aratus of Sicyon.
Originally an organization to protect against pirate raids across the Corinthian Gulf, this league reformed with the express purpose of expelling the Macedonians and restoring Greek rule.
{Achaean League}