World War II helped influence the identity of the United States by bringing out the military power and having other countries, the Axis powers, recognizing it as a World power; this was a major threat to the Nazis, Mussolini's Fascist Italy, and Imperial Japan. Positive effects was that declaring war for the US brought the US out of the Great Depression, the war created new jobs for the Unemployed. A negative impact was the war itself; the war caused millions deaths for American GIs