Answer: The United States began preparing for World War II by strengthening its military and increasing its industrial production capabilities. The government implemented various programs, such as the Lend-Lease Act and the Selective Training and Service Act, which allowed the country to supply weapons and manpower to its allies. The War Production Board was established to oversee the production of goods and materials necessary for the war effort. The country also ramped up its domestic production of goods such as tanks, airplanes, and other military equipment, and the National Defense Research Committee was established to coordinate scientific research and development. The country also mobilized its citizens, calling on them to conserve resources, buy war bonds, and join the military or work in war-related industries. All of these efforts helped the United States to be fully prepared for World War II when it entered the conflict in 1941.
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