Nayan (Mongol Prince) 'Prince of Kwang-ning'. In addition, Nayan was also the foremost leader of the Eastern "ulus"es (tribal groupings and districts ruled by Mongol appanage princes) dominated by the descendants of the brothers of Genghis Khan. Whatever the precise extent of Nayan's appanage, he certainly held sufficient lands within and around Manchuria to give him a power-base from which to launch a rebellion against his kinsman Kublai Khan. Nayan is represented as embodying a traditional Mongol reaction against the increasing sinicisation shown by Kublai Khan and his administration. Nayan adhered to the ancestral nomadic values of the Mongols and was dismayed at
Society of the Mongol Empire darughachi and judges in the appanages instead direct distribution without the permission of Great Khan thanks to genius Khitan minister Yelu Chucai. Kublai Khan continued Ögedei's regulations somehow, however, both Güyük and Möngke restricted the autonomy of the appanages before. Ghazan also prohibited any misfeasance of appanage holders in Ilkhanate and Yuan councillor Temuder restricted Mongol nobles' excessive rights on the appanages in China and Mongolia. Kublai's successor and Khagan Temür abolished imperial son-in-law Goryeo King Chungnyeol's 358 departments which caused financial pressures to the Korean people, whose country was under the control of the Mongols. The appanage system was