Which company's innovative product design, originally created for a different purpose, was adapted during WWII to become the iconic Jeep that revolutionized military transportation?

Throughout military history, certain product innovations have dramatically transformed warfare capabilities and tactics. Some developments were purpose-built for combat, while others were adapted from civilian technology. This poll tests your knowledge about a revolutionary product innovation that significantly impacted 20th century military operations and continues to influence modern warfare doctrine. Can you identify the correct origin of this game-changing military technology?

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Willys-Overland, whose design won a government contract after adapting their civilian farm vehicles to military specifications
Ford Motor Company, whose Model T chassis was modified to create the first military all-terrain vehicle
Chrysler Corporation, whose commercial truck division developed the prototype as a specialized rescue vehicle
American Bantam Car Company, which designed the Jeep from scratch specifically for the military contract competition