Society of the Mongol Empire influences. Genghis Khan authorized the use of paper money shortly before his death in 1227. It was backed by precious metals and silk. The Mongols used Chinese silver ingot as a unified money of public account, while circulating paper money in China and coins in the western areas of the empire such as Golden Horde and Chagatai Khanate. Under Ögedei Khan the Mongol government issued paper currency backed by silk reserves and founded a Department which was responsible for destroying old notes. In 1253, Möngke established a Department of Monetary affairs to control the issuance of paper money in order
Kublai Khan essence of multiculturalism were Mongols, Semu, Koreans, Hui and Chinese people. Because the Wokou extended support to the crumbling Song dynasty, Kublai Khan initiated invasions of Japan. The court of Goryeo supplied Korean troops and an ocean-going naval force for the Mongol campaigns. Despite the opposition of some of his Confucian-trained advisers, Kublai decided to invade Japan, Burma, Vietnam, and Java, following the suggestions of some of his Mongol officials. He also attempted to subjugate peripheral lands such as Sakhalin, where its indigenous people eventually submitted to the Mongols by 1308 after Kublai's death. Kublai Khan twice attempted to invade