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
Kublai Khan Europeans and Central Asians – merchants, travelers, and missionaries of different orders – made their way to China. The presence of Mongol power allowed large numbers of Chinese, intent on warfare or trade, to travel to other parts of the Mongol Empire, all the way to Russia, Persia, and Mesopotamia. After Kublai Khan was proclaimed Khagan at his residence in Xanadu on May 5, 1260, he began to organize the country. Zhang Wenqian, a central government official, was sent by Kublai in 1260 to Daming where unrest had been reported in the local population. A friend of Zhang's, Guo Shoujing,