By people meeting each other and giving ideas
The war spread
Islam never spread by war. Refer to question below.
If it spread only to 2 countries, then it wouldn't be a world war, that would be a normal war.
yes
he was killed in war.
to stop the spread of communism
They spread by people trying to kill each other.
Because people could not shut up and ww2 spread :)
The term that describes the spread of influenza across Europe after the war is "Spanish flu."
because of the vietnam war and the korean war Binns Rocks
they attempted to spread so that they can take over Vietnam
Islam never spread by war. Refer to question below.