Who the U.S. government grew during World War 1?

During World War I, the U.S. government expanded significantly to meet the demands of the war effort. It established new agencies, such as the War Industries Board and the Food Administration, to manage resources and production. The government also increased its regulatory power over the economy and implemented conscription through the Selective Service Act to ensure a steady supply of troops. Additionally, the war led to increased federal spending and a greater role in international affairs.