Answer :
Final answer:
Neutrality, Selective Service Act, League of Nations in WWI
Explanation:
Neutrality: Neutrality refers to a policy of not taking sides in a conflict or war. In the context of World War I, the United States initially pursued a policy of neutrality but eventually entered the war in 1917.
Selective Service Act: The Selective Service Act, passed in 1917, authorized the conscription of men into the military. This act allowed the U.S. to raise a large army quickly to support its involvement in World War I.
The League of Nations: The League of Nations was an international organization established after World War I to promote peace and security. The U.S. did not join the League of Nations due to isolationist sentiments in the country.
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