Which retailer famously used "geographic clustering" as its international expansion strategy, focusing on dominating specific regions before moving to new territories?

The world's largest retailers have conquered markets across continents, but their expansion strategies vary dramatically based on geography, cultural understanding, and market conditions. This trivia question explores how one major retailer strategically approached international growth in a way that fundamentally changed retail geography patterns. Test your knowledge about the intersection of retail strategy and global geography!

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Walmart: The "oil spot" approach where they saturated neighboring markets from a central distribution hub
Amazon: The "digital mapping" strategy targeting high-internet-penetration regions first regardless of physical proximity
Carrefour: The "cultural corridor" method expanding along similar language and cultural regions
IKEA: The "strategic archipelago" approach opening flagship stores in disconnected major cities globally