I still dont see U.S. loosing to Japan. Maybe having a lot of setbacks, only due to the fact that U.S.'s primary concern was not Japan but Germany. After Germany's surrender Japan would have never stood a chance.

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The war against Russia will be such that it cannot be conducted in a knightly fashion. This struggle is one of ideologies and racial differences and will have to be conducted with unprecedented, unmerciful and unrelenting harshness. -Adolf Hitler