The Delian League was led by Athens and formed in 478 BCE to liberate eastern Greek cities from Persian rule and as a defence to possible revenge attacks from Persia .
Answer:
True
Explanation:
There were a series of war conflicts that confronted the Persian empire of the Achaemenid dynasty against the city-states of the Greek world throughout the first half of the fifth century B.C. The Delian league was a military alliance emerged as a result of these conflicts. They feared that a third Persian invasion would occur in the future, so they decided to establish a new and lasting military alliance to be prepared
