Which retail innovation from the American Civil War revolutionized military supply chains and later influenced civilian retail practices?

Throughout history, military success has often hinged on supply chains and logistics. The modern military retail system we know today went through fascinating transformations. This poll explores a pivotal moment in military retail history when technological innovation dramatically changed how armies equipped their forces - a turning point that influenced both battlefield outcomes and civilian retail practices. Test your knowledge about this intersection of military history and retail innovation!

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Mail-order catalogs by Montgomery Ward, inspired by Union Army supply requisition forms
Self-service commissary stores introduced by Confederate General Nathan Bedford Forrest
The point-of-sale telegraph system developed by Western Union for rapid artillery resupply
Standardized clothing sizes created by Brooks Brothers for Confederate officer uniforms