Society of the Mongol Empire cook and sew for their husband, their children, and their elders. A wife's devotion to her husband continued after his death. Remarriages during the Mongol Empire did not occur often. Instead, her youngest son or her youngest brother took care of her. However Genghis Khan had allowed remarriage of widows including the levirate. Mongol women enjoyed more freedoms than those in their foreign vassal countries. They refused to adopt the Chinese practice of footbinding and wear chadors or burqas. The Mongolian women were allowed to move about more freely in public. Toward the end of the Mongol Empire, however, the
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