 After Macedon's defeat by the Romans in the early 2nd century BC, the League was able to finally defeat a heavily weakened Sparta and take control of the entire Peloponnese.However, as the Roman influence in the area grew, the league erupted into an open revolt against Roman domination, in what is known as Achaean War.The Achaeans were defeated at the Battle of Corinth (146 BC), and the League was dissolved by the Romans.