What did Athens use money from the Delian League for?

Members were expected to give tribute to the treasury which was used to build & maintain the naval fleet led by Athens. Initially members swore to hold the same enemies and allies by taking an oath.

Explanation:

most people such as me i dont have one but if   i did i would mostly likely quit my job if the economy was down cylcling that means less money if you go to a bigger job that is prospering you can earn more wage and still be able to feed yourself or why you work all people want more money then they have guarteed most people like me would switch jobs for a better one with higher wage