Which retail innovation, first widely adopted during World War II, revolutionized military supply chains and later became the foundation for modern point-of-sale inventory systems?

Throughout military history, retail innovations have played a surprising role in how armed forces are supplied, equipped, and maintained. From the standardization of uniforms to the modern military-industrial complex, retail systems have evolved alongside warfare. This poll tests your knowledge about a groundbreaking retail innovation that transformed military logistics during a critical period in history.

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Punch card inventory system developed by IBM
Montgomery Ward mail-order catalogs for field requisitions
Sears Roebuck commissary management program
Western Union telegraph-based ordering protocol