Mongol Empire What is referred to in English as the Mongol Empire was called the "Ikh Mongol Uls" ("ikh": "great", "uls": "state"; Great Mongolian State). In the 1240s, one of Genghis's descendants, Güyük Khan, wrote a letter to Pope Innocent IV which used the preamble "Dalai (great/oceanic) Khagan of the great Mongolian state (ulus)". After the succession war between Kublai Khan and his brother Ariq Böke, Ariq limited Kublai's power to the eastern part of the empire. Kublai officially issued an imperial edict on 18 December 1271 to name the country Great Yuan ("Dai Yuan", or "Dai Ön Ulus") to establish the
Society of the Mongol Empire distributed much more widely. Empresses, princesses and meritorious servants, as well as children of concubines, all received full shares including war prisoners. For example, Kublai called 2 siege engineers from the Ilkhanate in Middle East, then under the rule of his nephew Abaqa. After the Mongol conquest in 1238, the port cities in Crimea paid the Jochids custom duties and the revenues were divided among all Chingisid princes in Mongol Empire accordance with the appanage system. As loyal allies, the Kublaids in East Asia and the Ilkahnids in Persia sent clerics, doctors, artisans, scholars, engineers and administrators to and received