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Han Emperor Wu Di extended the Great Wall to protect the Chinese empire from invasions by nomadic tribes, particularly the Xiongnu. His military campaigns during the 2nd century BCE led to significant territorial gains, prompting the need for a more robust defensive structure. The extension of the wall also aimed to secure trade routes, including the Silk Road, ensuring safer passage for goods and cultural exchange. This expansion was crucial for consolidating Han power and maintaining stability in the region.

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3mo ago

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