Colbert provided the best response to Trump's "well it's both sides". Trump on the D-Day invasion "well both sides were doing a lot of the shooting, there was bad blood on both sides, so we have to look at both sides".
Well, Stalin, Churchill, and FDR, were not nice men.
Millions died in a famine under Stalin's Soviets in Ukraine a few years before WW2, in the Holodomor.
Millions died in a famine under Churchill's Brits in India during WW2, in the Bengali famine of 1943.
Dresden Firebombing by FDR's, and Churchill's regime killed 10's of thousands.
Katyn Massacre by Stalin's regime, killed 10's of thousands.
FDR's internment camps of Japanese, and some Germans, and Italians.
FDR, Churchill, and Stalin's Yalta conference that killed 10's of thousands by displacement.