British, American, and French deaths made up only a small fraction of the 60M-75M killed in WWII, which speaks to the global ("World") nature of a World War.
I believe it's also the case that more Vietnamese died during the Vietnam War than the UK/US/France combined during WWII as well.
I believe it's also the case that more Vietnamese died during the Vietnam War than the UK/US/France combined during WWII as well.