In world war 1 what are all the things people needed?

Answer 1

Big weapons, lots of manpower, vast supplies of armaments and food, big economy, powerful navy, effective leadership, and U.S.A. on your side.

Answer 2

Air. to breathe.

Water, to drink.

Food, to eat.

I can't give you a more serious answer until you tell us what you are talking about. Do you mean what did soldiers need? What governments needed? What civilians in a war zone needed? What people had to do without?

You understand that your question does not give us much of a clue as to what you ask.

Answer 3

Peace

Answer 4

Germans.