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In 1616, the Jurchens rose to the forefront of East Asian powers under the reign of Nurhaci. Although sharing many similar characteristics with the Mongols, the Jurchens were not nomads, but a tribal people who had adopted Chinese agricultural practices. Nurhaci had ambitions to conquer the Ming dynasty and sought allies in the Khorchin Mongols, subjects of Ligdan. The princes of Khorchin, Jarud and southern Khalkha Mongols made a formal alliance with the Jurchens from 1612 to 1624.