Which famous retailer first pioneered the 'PX' (Post Exchange) retail concept that revolutionized military customer experience during World War II?

Throughout history, retail experiences during wartime have undergone significant transformations to meet both civilian and military needs. From ration books to military surplus stores, the intersection of retail and military history reveals fascinating innovations in customer experience and engagement. This poll explores how famous retailers adapted their operations during major military conflicts, creating unique customer experiences that reflected the challenges and necessities of their times.

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Montgomery Ward, with their 'Victory Stores' concept in 1942
Sears, Roebuck and Co., through their military supply division established in 1941
The U.S. Army Exchange Service (AAFES), which standardized the modern PX system in 1941
Woolworth's, with their 'Frontline Stores' program launched in 1943