1917 to 1919 were the World War One started. The draft dramatically increased the size of the American armed forces. A two million Americans volunteering for the War. It increased the size of the U.S. army. The US drafted young men to join the military back in WW1.
It had drafted men ages 18 to 45 years old. This resulted in a total of 2 million
Americans volunteering for the War. It
increased the size of the U.S. army.
This was due to the patriot fervor that griped the nation to fight
during the First World War.
Explanation: While the Red Scare drove America's left and any possible allies with communism or socialism underground, it also allowed for a real anger to form and pushed conversations about social justice into back rooms.