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
Mongol conquest of the Song dynasty expelled his opponents like Wen Tianxiang and Li Fu. Because the financial revenue of the late Southern Song state was very low, Jia Sidao tried to reform the regulations for the merchandise of lands with his state field law. Gunpowder weapons like the "t'u huo ch'iang" were deployed by the Chinese against the Mongol forces, which fired bullets from bamboo tubes. After Kublai was elected Great Khan of the Mongols in 1260 he was eventually able to conquer the Song to the south, but at great cost. From 1260 to 1264, he faced civil insurrection within the Mongol side led