Final answer:
The three measures that were passed to support wartime efforts in the United States were the Selective Service Act, the War Industries Board, and the Committee on Industrial Preparedness.
Step-by-step explanation:
The three measures that were passed to support wartime efforts in the United States are:
- The Selective Service Act: In May, 1917 Congress passed the Selective Service Act which authorized the government to carry out a military draft to raise the requisite number of troops.
- The War Industries Board: The War Industries Board (WIB) was responsible for regulating and controlling industries that produced war-related materials. It dictated what products would be produced, where they would be produced, and how much they would cost.
- The Committee on Industrial Preparedness: The Committee on Industrial Preparedness was involved in coordinating the war effort, setting prices on products, capping wages, and controlling the economy.