Answer:
The league grew stronger as the threat from Persia declined.
Athens dominated the league and meddled in the affairs of other city-states
Dissatisfaction with the league led to the Peloponnesian War.
Explanation:
Delian League or the Athenian Maritime Alliance was the strongest political factor in Ancient Greece in 5th Century BC.
After Persia was defeated in the famous battle at Salamis Athens emerged as a leading force, and around it the alliance was created. But Athens had the main role in it, and even used the money from the alliance for its own needs.
Sparta and members of Peloponnesian league were not satisficed with how Delian League and urged to dissolve it. Therefore, Sparta never wanted to be a part of this league.
