Industry-factories went from making everyday objects to weapons and tools for the war, retooled to make bombs, mosquito nets, tanks, planes, etc., massive shipyards were made that produced liberty ships very quickly, here prefabricating was used
Labor-Factories began hiring women and minorities after they found they could do the same job for less,
Scientists-OSRD, DDT, penicillin, atomic bombing
Media-As the war dragged on, people grew tired of propaganda and war themes. Hollywood responded with musicals, romances, and other escapist fare designed to take filmgoers away from the grim realities of war, if only for an hour or two.