I know what happened during the Ionian Revolt, but why was this important?

The Ionian Revolt constituted the first major conflict between Greece and the Persian Empire, and as such represents the first phase of the Greco-Persian Wars. Although Asia Minor had been brought back into the Persian fold, Darius vowed to punish Athens and Eretria for their support of the revolt.

This revolt against the Persians marked the opening phase of the Greco-Persian Wars. After the Greeks' victory over Persia at the Battle of Salamis in 480 bc, the Ionian cities regained their independence and helped to form the Delian League with Athens.

. political or economical policy that isolates a country from participating in international relationships. it has been suggested that the united states participates in isolationism because of its lack of involvement in particular wars or alliances.