Organization of the Mongol Empire under Genghis Khan political order over a very large area of land which enabled relative political and economic stability to follow. In the face of the ethnic, religious and tribal diversity of the civilians and soldiers of the Mongol Empire, which eventually included modern day Persians, Chinese and many Turkic peoples, Genghis Khan insisted on focusing all loyalty on himself as Great Khan and no others. Thus, Genghis Khan had no room for the traditional clan- and kindred-based divisions that were common in central Asian society. Obedience was expected from everyone from the lowest to the highest classes. Any disobedience by a subordinate
Mongol invasions of Vietnam repeatedly ignored demands to attend the Yuan court and offer his personal submission to the Great Khan. By 1266, a standoff developed, as the Emperor Thánh Tông sought a loose tributary relationship, while Kublai demanded full submission. Trần Thánh Tông sent an official letter requiring Kublai to take his darughachi back. Because of civil war in the Mongol Empire, and the Yuan conquest of Song China, armed conflict was delayed. Instead, Kublai reminded him of the peace treaty signed by the Mongols and Đại Việt. As a result of the Mongol conquest of the Song Empire, by 1278–79, Mongol troops