Which retail innovation, introduced in 1916, fundamentally changed how Americans shopped and is considered the precursor to modern supermarkets?

Before Amazon and Walmart dominated retail, innovative merchants shaped how we shop. This trivia question explores a pivotal moment in retail history that transformed commerce and consumer behavior. Test your knowledge about one of the most significant retail innovations that laid the groundwork for modern shopping experiences. The answer might surprise you about how long certain retail concepts have actually existed!

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Piggly Wiggly's self-service shopping model, where customers could select their own merchandise
Sears Roebuck's introduction of the department store with multiple product categories under one roof
A&P's introduction of store-brand products that undercut name-brand prices
Woolworth's implementation of fixed price merchandise with clear price tags