The USA did not have to declare war on Germany because Adolf Hitler declared war on the USA.
Germany was on the losing side of World War 1.
They were losing the war.
the Depression, the effects of the settlement of World War I, and a longstanding history of anti-Semitism in Germany
After ww1 Germany was led by adolf Hitler
Germany declared war on Poland, which led to England and France declaring war on Germany.
Greed and the desire to kill Jews, and control all of Europe and Asia
they didn't have anything to do with it.
He commited Suicide
Hitler committed suicide.
the factors of the cold war & the missel war in india