How many men did the U.S. military draft to send to Europe?

During World War I, the U.S. military drafted approximately 2.8 million men through the Selective Service Act of 1917. In World War II, around 10 million men were drafted under the Selective Training and Service Act of 1940. The total number of draftees sent to Europe varied, but these figures highlight the significant scale of the military draft during both conflicts.