Even though the United States had committed to war, they did not have enough man power to go on a heavy offensive. In order to increase the number of people in the Army, FDR outlined the Selective Service Act. Click the following link to listed to FDR's radio address regarding the Selective Service Act.

http://media.nara.gov/mopix/audio/ww2/200-201A.mp3

The Selective Training and Service Act required all males aged 21 to 36 to register for military service. A draft was then conducted from the pool of registered males, and a selected number were required to serve for one year. 

 


Popular poster featuring Uncle Sam recruiting men to join the Army as the US engages in WWII.
http://docsteach.org/documents/513533/detail?menu=closed&mode=search&sortBy=relevance&q=Uncle+Sam&commit=Go