Genghiz Khan died in 1227. Upon his death, his vast empire was divided up into five parts: (1) Mongolistan consisting of the Mongol home turf, (2) Chagtai, consisting of Khorasan and Farghana Valley, (3) Persia, ruled by the Il-Khans, (4) Russia and Kazakhstan, ruled by the Golden Hordes and (5) China. The Mongols continued their advance after Genghiz. In 1229, they planned three great...