 Complete the following phrase:  In 1691, the leaders of the Tüsheet Khan, the Jasaghtu Khan, and the Setsen Khan fled to Inner Mongolia where they pledged fealty to the Kangxi Emperor of the Qing dynasty in return for protection against the invading Dzungar western Mongolian forces under Galdan Boshugtu Khan. After the Qings victory over the Dzungars at the Battle of Jao Modo in 1697, the three khanates became provincial subdivisions or aimags of the Manchus and their respective khans were made nominal leaders. In 1725, the Qing created a fourth aimag, Sain Noyon Khan Aimag, carved out of 19 khoshuu sub-districts in western Tüsheet Khan Aimag. In 1930, following the 