What affected the american economy immediately after world war i? increase in international trade demobilization of the military rise in the demand for consumer goods tariffs placed by european nations on american imports

After the war, many soldiers were laid off and they were unappreciated and had their pay cuts drastically reduced

The U.S were making ammunitions to be sold to other allies which was positive and slightly helpful for the economy

Due to President Wilson's choice to join WW1, The federal government did still suffer unbearable losses of money due to the world war itself and hiring military services etc.

The great depression (1914 - 1918) had the largest impact on the American economy since countries like England also relied on the trading with the U.S, because...they had no money to buy new materials and more!  High unemployment rates and low prices and wages

Italy , germany, austria, japan, and brazil.