After the bombing of Pearl Harbor, it just took four days for the government to ban the production of civilian cars and to redirect the auto industry, and from there to rationing of food and energy.
真珠湾爆撃の後には 米国政府はたった４日で 一般車の製造を中止し 自動車産業を戦争の為に使い 食糧と燃料を配給制にしました