Answer :
The time that Athens led a group of city-states was after the end of the Persian Wars.
When did Athens lead the Delian League?
After the end of the Persian Wars, Athens and Sparta became the most powerful Greek City-states and they led different groups of city-states.
The Athenians led the Delian League which was comprised of over a hundred states and prioritized a strong navy.
Find out more on the Delian League at https://brainly.com/question/4248555.
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