Sung(Son)

-the sungs greatest weakness was holding back the northern tribes, which eventually overran northern china in 1127 -not a very cooporative dynasty, with lots of disagreements amongst themselves -lost control to the north china, and other dynasty -was conquered by mongols -yuan dynasty took over -the sungs military was not very powerful, and they frequently signed treaties to end fighting. Usually included in the treaties were stipulations requiring the Sung to pay tributes to the enemies they were fighting. With the population growth came greater economic growth