In 1941, more than three million cars were manufactured…

In 1941, more than three million cars were manufactured in the United States. Only 139 more were made during the entire war. By the end of the war, more than half of all industrial production in the world would take place in the United States.

from Crazy Facts http://crazyfacts.com/in-1941-more-than-three-million-cars-were-manufactured/