Do you believe that the US was motivated by realism or idealism when it entered world war 1? Identify one main event that led the U. S. to join World War I on the Allied side (describe the event as well) and how does it connect to idealism or realism)

Identify another main event that led the U. S. to join World War I on the Allied side (describe the event as well) and how does it connect to idealism or realism)