After peace was made with Persia in 449 BCE, he removed the Delian League treasury from Delos to Athens. There it was pillaged to glorify Athens - building the Parthenon etc, to put half of Athenians on the public payroll, and to maintain the Athenian fleet, which with the Persian threat gone, was used to extort annually more money from the League cities.
Each year Athens sent out 100 warships to collect the annual levy. If a city resisted, it was stormed and looted.
Was a coalition of city-states led by the Athenian Pericles .
Yes, I think Pericles probably embezzled four or five times more money than Madoff stole. Where did he steal the money from? From the Delian League's treasury, which was moved to Athens from Delos immediately when Pericles was entitled "general." Pericles built the Acropolis in Athens with this money, was tried for stealing the money, and talked his way out of the trial.
Pericles led the coalition of city-states known as the Delian League .
Stealing the funds to pay for it from the Delian League war chest.
He persuaded it to convert the anti-Persian Delian League into an empire of its own.
To provide ships and money
Delian League was the Athenian alliance, founded after the Persian Wars as a military organization directed against the Achaemenid Empire, but converted by Pericles into an Athenian empire. Because of this unity, it was very strong.
Athens ruled the Delian League.
Wars of the Delian League happened in -449.
His establish of Athenian dominance of 180 Greek city-states after the Persian War, converting the Delian League into an empire of Athens, thereby giving it the money and military strength to spend on a superior navy and on Athens' welfare state.
When the Persians left Greece, Pericles was still a youth, so the rebuilding task fell to others.
Defence against Persia, subordination and taxing of the Delian League city-states, use of the taxes to glorify Athenian building and the arts, intrusions into the Peloponnesian League city-states, and ultimately war with that League.