Could have sworn petroleum was important too. Like https://www.petroleumhistory.org/OilHistory/pages/trucks/WWII.html https://www.petroleumhistory.org/OilHistor

Could have sworn petroleum was important too. Like https://www.petroleumhistory.org/OilHistory/pages/trucks/WWII.html https://www.petroleumhistory.org/OilHistory/pages/trucks/WWI... : > The outbreak of WW II in the early 1940’s on two fronts (Europe and the Pacific) put an incredible demand on the oil refining and transportation capability of the domestic United States. Practically every means of transportation of crude and product was pressed into a magnitude of service heretofore unseen in this country and equally so in other countries that had oil production and refining plants. and https://en.wikipedia.org/wiki/Oil_campaign_of_World_War_II https://en.wikipedia.org/wiki/Oil_campaign_of_World_War_II