Which wartime retail innovation first allowed deployed U.S. military personnel to purchase personal items through a standardized catalog system in combat zones?

Military exchanges (PX/BX) have been vital retail institutions for armed forces personnel for centuries. These unique retail environments have evolved significantly over time, offering everything from essential supplies to luxury goods at tax-free prices. Beyond commerce, they've played a crucial role in troop morale and military community building. This poll tests your knowledge about a pivotal moment in military retail history that changed how servicemembers shopped during deployments.

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