Here's the "modern" History book version of WWII. Abridged.
Hitler killed alot of jews for no reason. Doesn't get away with it.
America drops atomic bombs on Japan for no reason. Gets away with it.
*<font -1>Everything else is just "detail" to be ignored. Clouds conclusion.</font>
Conclusion: WWII, 50% for bad guys getting their come-upance.
**But someday evil America will fall too.
The End.