Question

Why did the allied forces win world war two provide evidence​

Answer 1

He picked out three factors that he thought were critical: the unexpected 'power of resistance' of the Red Army; the vast supply of American armaments; and the success of Allied air power. This last was Hitler's explanation too.

Answer 2

The Allies were successful in WWII because they cooperated with each other despite ideological differences and due to their ability to realistically assess the situation and initiate actions/operations that would be the most efficient or create the best opportunity of success in defeating the enemy.