The United States instituted the the first peacetime draft in United States' history. with the Selective Training and Service Act of 1940, which required all men between the ages of 21 and 45 to register for the draft. Those who were selected from the draft lottery were required to serve at least one year in the armed forces.
Once the U.S. entered WWII, draft terms extended through the duration of the fighting. By the end of the war in 1945, 50 million men between eighteen and forty-five had registered for the draft and 10 million had been inducted in the military. More