Which retail giant was the first to establish physical store locations on all seven continents, including Antarctica?

The world's largest retail companies have distinct geographic expansion strategies that have shaped their global presence. This trivia question explores how major retail corporations have spread across different continents and regions, revealing interesting patterns in their international growth. Test your knowledge about the geographic distribution of retail power and how these companies have adapted to various markets around the world.

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Amazon (with Amazon Go research stations)
None - no retailer has stores on all seven continents
Walmart (through international partnerships)
Uniqlo (with their 'Extreme Weather' concept stores)