The U.S. enters World War I

1. How did the United States raise an army?
U.S. raised an army by passing the Selective Service Act.
2. How did U.S. soldiers help win the war?
They started the convoy system, which included battle ships.
3. What were the estimated economic costs of the war?
The war costed over 338 billion.
4. What did the war cost in terms of the number of civilian deaths; military deaths?; injuries?; and refugees?
American lost 48,000 men, with another 62,000 to disease, in all, over 100,000.
5. Define armistice.
The armistice is the truce that ended the war.