City-state that wanted to leave the Delian League?

Answer 1

Athens was the leader of the Delian league, founded by the athenian Aristides. it eventually turned into the Athenian Empire which was comprise of most of the agean and coastal greek states, the thracian chersonesse and the Ionian coast

Answer 2

To prevent another invasion/attack from the Persian Empire. Athens was appointed the leader of the Delian League. Nevertheless, they abused their power, which inevitably resulted in the Peloponnese War.

Answer 3

Athens and its allies

Answer 4

Sparta

Answer 5

Athens.