Answer:
With World War 1 going on in Europe and the Great Powers involved, the United States was able to make a profit off of it by selling weapons, food, and supplies to France and Great Britain.Therefore the United States went from a recession to an economic boom, overtaking Great Britain as the number 1 economy.
Step-by-step explanation:
I got most of this information from Oversimplified on yt, check them out. They are a great source.