What was the most costly war in world history?

[Gallagator]

What war lead to the most casualties ever?

 

[nwonknu8]

That's a dumb question. WWII.

 

[Fraz]

The war on drugs.

Ooooooooooooooooooh!!

 

[system of a down is god]

it was either ww1 or ww2