The nation’s conversion from a commercial to a military economy was as complete as it ever would be. An auto industry that had made 3.5 million private cars in 1941 turned out 139 during the rest of the war while shifting to tanks, jeeps, and bombers. In artillery production alone, makers of soap, soft drinks, bedsprings, toys, and microscopes now built 60 species of big guns; they were among 2,400 prime contractors and 20,000 subcontractors in the artillery business, from a steam shovel company building gun carriages to an elevator firm fashioning recoil mechanisms. In February 1944, the U.S.
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