WW2 was such a waste of time from the Anglo-American perspective. We fought Nazi Germany while they were fighting the soviet union (which they probably would have lost regardless), ostensibly so Poland could be free (which after the war, they weren't). Churchill was such a war monger.
rhey would have lost id thye commited the same blunders unless rhey dug in before mowcow offensive instead if trying to take it at last moment and if they took the caucasus oils in case blue instead or focusing on stalimgrad.