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The Mongol empire was a large, multi-ethnic empire that spanned a significant portion of Asia and Europe in the 13th and 14th centuries. It was founded by Genghis Khan and his descendants, who were known for their military prowess and their ability to conquer and control a vast territory. The Mongol empire is known for its military campaigns and for its administrative and political innovations, which helped to bring previously isolated regions into closer contact with each other and facilitated the exchange of goods, ideas, and cultural practices.