At the middle of ww2 germany had the war almost won!!! The turned point was when germany after the battle of britain give up in conquer britain and turn out to russia. Part of Hitler's " vital space" world domination, the fact hitler change his plan made it possible to england to recovery and also the underestimated of urss made the turning point in ww2. The allies strategy working together after usa join to the conflict was important, but was russia with their military power that won the war. Wherever history doesn't said that... great post my friend !!!!! Following and up waiting for more exciting articles!!!! Best regards!!!