Although the United States was actively involved in World War I for only nineteen months, from April 1917 to November 1918, the mobilization of the economy was extraordinary. ... Over four millionAmericans served in the armed forces, and the U.S. economyturned out a vast supply of raw materials and munitions.
The answer to your question is 24
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It allowed the US to trade with other country's and it created a war
Answer:
4
Explanation:
i had that same thing for my class
