Which retail chain is credited with pioneering the first successful 'geographic grid' expansion model, where new stores were systematically placed on a map to maximize regional coverage?

The development of chain stores revolutionized retail by standardizing the shopping experience across geographical locations. Before chains became dominant, most retail was local and independently operated. This poll tests your knowledge about the geographical origins of one of the most significant early retail chain innovations that changed how stores were distributed across territories and regions.

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Woolworth's Five-and-Dime Stores (1879)
A&P (The Great Atlantic & Pacific Tea Company) (1859)
Sears, Roebuck and Co. (1893)
Montgomery Ward (1872)