Originally Posted by VKMHVM2

Germany had a mutual defense treaty with Japan. FDR knew about this and suckered Hitler into declaring war. Pearl Harbor served as the back door entry into the European war.

Pearl Harbor - Mother of All Conspiracies

President Roosevelt (FDR) provoked the attack, knew about it in advance and covered up his failure to warn the Hawaiian commanders. FDR needed the attack to sucker Hitler to declare war, since the public and Congress were overwhelmingly against entering the war in Europe. It was his backdoor to war.