Because people want money. That's pretty much it.
money
Everyone.
most of the money the united states needed to fight world war 1 came from
Sacagawea
money lol
The war was with France, who he thought was planning a war with England, so he needed money to fight it.
They borrowed money form France and Spain.
Napoleon of France
Washington D.C, where the money is made
Napoleon of France
Taxes
Spain needed money to fight its war against Napoleon.