What best describes the main effect of the draft between 1917 and 1919?

The main effect of the draft between 1917 and 1919 was the rapid mobilization of millions of American men for military service during World War I. This significant influx of soldiers bolstered the U.S. military, enabling it to play a crucial role in the war's outcome. Additionally, the draft fostered widespread social changes, including increased roles for women and minorities in the workforce, as well as heightened public discourse on civil liberties and governmental authority. Overall, the draft profoundly impacted American society and the military landscape during this period.