The majority of the existing Great Wall of China was constructed during which dynasty?

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The majority of the existing Great Wall of China was built during the Ming Dynasty, more than a millennium after work on the Wall began. The first fortifications that ultimately became the foundation for the Great Wall were constructed in the 5th century BC. Through time, portions of the wall have been rebuilt. Significant reconstruction took place during the Ming Dynasty, which lasted from 1368 to 1644, and the majority of that work remains intact.

The Majority of the Existing Great Wall of China Was