1. How did the United States raise an army?
At first Woodrow Wilson had wanted the american forces fighting in the Great War to consist only of volunteers unfortunately by the time the US declared war on the central powers it was clear that the US army did not have enough volunteers to have any chance of winning the war. A draft was put into affect so that there would be enough soldiers.

2. How did U.S. soldiers help win the war?
When the US entered the war morale on the allied side was increased this helped them win the war. In addition to being a morale buster it also was a huge increase in fresh men who had not been fighting for 4 years in trenches.

3. What were the estimated economic costs of the war?
The war cost an approximate $338 billion.

4. What did the war cost in terms of the number of civilian deaths; military deaths?; injuries?; and refugees?
The Great War cost the world 22 million lives (half of which were civilians) and 20 million injuries.

5. Define armistice.
An armistice is an agreement made by opposing sides in a war to stop fighting at the same time like a truce. It comes from the latin arms meaning weapons + stitium meaning stoppage.