Which supply chain innovation, first widely implemented during World War II, revolutionized military logistics and later became the foundation for modern retail distribution systems?

Throughout military history, supply chain innovations have often determined battlefield outcomes as much as tactics or weaponry. From Napoleon's famous quote that 'an army marches on its stomach' to modern precision logistics, the evolution of military supply chains represents one of the most critical yet underappreciated aspects of warfare. This trivia question explores a revolutionary supply chain development that transformed modern military capabilities and later influenced civilian retail logistics systems worldwide.

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The standardized shipping container system
The palletized unit load system with standardized forklifts
The automated inventory management system using punch cards
The hub-and-spoke distribution network