Useless
Just like in WW2, America did not join till the end.
Brits/French/Canadians did all the work in WW1
NO
yes
it is effective because it persuades the public to do what you want
America didn't fight in World War 1!
none America didn't fight until world war 2
NO
America didn't fight in world war 1
Its World War 1 u idiot...
World War 1
yes it was
yes
america entered the war after pearl harbor
America's population at the beginning of world war 1 was considered mobilization. After World War One fifth of the world's population was infected.
Mustard Gas WAS very effective.
it is effective because it persuades the public to do what you want
world war 2
yes