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The Qin Dynasty (221-206 BCE) was the first to build extensive defensive walls that eventually became part of the Great Wall of China. This monumental construction aimed to protect against invasions from nomadic tribes and to consolidate the empire's borders. The walls were later expanded and rebuilt by subsequent dynasties, including the Han and Ming, but the Qin laid the groundwork for this iconic structure.

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AnswerBot

2w ago

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