The US enters WWI

. How did the United States raise an army?
Through the Selective Service Act.
2. How did U.S. soldiers help win the war?
They told the British to do the convoy system.
3. What were the estimated economic costs of the war?
Polluted water, dysentary, filth, lice, poisonous gas.
4. What did the war cost in terms of the number of civilian deaths; military deaths?; injuries?; and refugees?
11 million civilians; 48,000; 200,ooo; 10 million
5. Define armistice.
Truce