Which company revolutionized military retail in WWII by creating the first standardized global PX (Post Exchange) system that supplied American troops with consistent products worldwide?

Throughout military history, retail innovations have dramatically changed how armies are equipped and supplied. From the mass production techniques pioneered during the American Civil War to modern military procurement systems, retail and supply chain innovations have been crucial to military success. This trivia question explores a groundbreaking retail innovation that transformed military logistics and equipment distribution during a critical historical period.

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Army Exchange Service (later AAFES)
Montgomery Ward Military Division
Sears Roebuck War Department Partnership
Woolworth's Allied Forces Supply Chain