The United States met the demand for soldiers once America entered the war by the Selective Service Act authorised a draft of young men to be soldiers.
When the United States entered World War One on April 6, 1917, the country had a standing army of 127,500 officers and soldiers. Four million men were prepared at that time. Four million men had served in the American Army by the end of the war, and another 800,000 had joined other military service branches.
To guarantee that Americans would support the war effort, the government adopted a number of actions. The Trading with the Enemy Act, the Espionage Act, the Sedition Act, and the Alien Act were only a few of the legislation established by Congress that were designed to make opposing the war illegal.
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