Respuesta :
The Delian League (or Athenian League) was an alliance of Greek city-states led by Athens and formed in 478 BCE to liberate eastern Greek cities from Persian rule and as a defense to possible revenge attacks from Persia following the Greek victories at Marathon, Salamis, and Plataea in the early 5th century BCE
The Delian League had a role. It's role was to keep the city-state to a make bigger empire with more soldiers to have enough to fight wars. In 431 BC, Sparta and other city-states joined forces against Athens to fight this war.
Answer:
The Delain League or Athenian League was an alliance of of Greek city-states led by Athens and then and formed and 478 BCE to liberate Western Greek City from Persia Rule and as a defence to possible Revenge attacks from Persia Greek victory at Marathon tell me and Polly in the earth 5th Century BCE.