While spiritual motivation inspired their armies, the Mongols had been probably driven just as much by ecological circumstances. Food and resources were becoming scarce once the populace expanded. In 1207, he led their armies up against the kingdom of Xi Xia and, after couple of years, forced it to surrender. In 1211, Genghis Khan's armies hit the Jin Dynasty in north China, lured perhaps perhaps perhaps not because of the great metropolitan areas' artistic and medical miracles, but alternatively the rice that is seemingly endless and simple pickings of wealth.
Even though campaign up against the Jin Dynasty lasted almost twenty years, Genghis Khan's armies had been additionally mixed up in western against border empires therefore the world that is muslim. Initially, Genghis Khan utilized diplomacy to determine trade relations utilizing the Khwarizm Dynasty, an empire that is turkish-dominated included Turkestan, Persia, and Afghanistan.