For 10 points, name this association of ancient Greek states that came to be dominated by Athens, and which was named for an island sacred to Apollo.
According to a contemporary commentator, this geopolitical power benefited from the high-handedness and foreign customs of a major rival leader, Pausanias. Its gains after victories at Tanagra and Oenophyta were reversed after its defeat at the Battle of Coronea. After a dispute over gold mines, this association's lead- ership forced Thasos to demolish its walls and pay tribute. Ten hellenotamiai controlled this organization's treasury, which was stored in a temple. After the Spartan victory at Aegospotami, this alliance was disbanded. For 10 points, name this association of ancient Greek states that came to be dominated by Athens, and which was named for an island sacred to Apollo.
According to a contemporary commentator, this geopolitical power benefited from the high-handedness and foreign customs of a major rival leader, Pausanias.
Delian League [prompt on Athens; prompt on Athenian Empire]