Answer:
Well America got very rich due to them winning the war and since most of Europe were buying weapons from America and thats was the main source of America’s wealth during and after world war 1. The thing with having a lot of money is inflation. Inflation is the cost of monet after a certain year, for example, if it cost 5 dollars for a sandwich this year, next year the sandwich would cost 6 Dollars. Money loses value over time and 10 years later America fallen into a Great Depression.