The war quickly ended the Great Depression. Unemployment decreased as millions of jobs opened up in factories and minority workers found jobs where they had been rejected in the past. Morale at home was increased by efforts to supply goods for allied forces.
I checked to make sure, and the answer is the coins.
It began after the USA dropped the first bomb on japan in ww2, after that the soviet union started making nukes...
The practice of selling indulgences was when the Catholic Church would offer people a chance to suffer less for their sins if they gave money to the Church, which was widely seen as corrupt and led to the Protestant Reformation.