The Delian League, formed in 478 BC to rid the Greek City-states of Persian rule and protect them from future invasions, had many successes in it's time. There were many military successes against Persian forces that lead to The Peace of Kallis and an end to the fighting between the Greek city-states and Persia for the time being. There were many other "successes" that were not military as well. There was an end to piracy, which increased inter-city trade, taxation became centralized, and democracy spread. There was also a standardization of money and measurements. Most notably, the building projects of Pericles throughout Athens and paid for by the treasury can be viewed as a success of the Delian League (Cartwright, M. 2016). The League had