How did the United States increase support for the war effort?

a wide range of volunteer efforts and submitting to government-managed rationing and price controls. Providing supplies to American and Allied troops fighting the war in Europe, Africa, and the Pacific required the efforts of all Americans. At home, citizens contributed to the war effort by rationing consumer goods, recycling materials, purchasing war bonds, and working in war industries.

answer; i do believe that the (14th)fourteenth amendment is the correct answer

answer; /// i believe that they became successful farmers; ///////////////