He pardoned Richard Nixon immediately of all crimes.
Thomas Jefferson.
I hope this helps.
MAIN- Militerism, Alliance, Imperialism and Nationalism are the four aspects on which war starts. WW1 happens before the Great Depression so The Great Depression was the result of WW1. WW1 caused many economic problems that affected the civilians since they had to work harder and pay more so they could barely eat. Other countries were also affected as the country wasn’t producing more benefits. So the country couldn’t trade resulting in even more lost of money .