 Complete the following phrase:  By 960, most of China proper had been reunited under the Song dynasty, although it lost territories in the north and could not defeat one of the nomadic tribes therethe Liao dynasty of the highly sinicized Khitan people. From then on, the Song would have to pay tribute to avoid invasion and thus set the precedent for other nomadic kingdoms to oppress them. The Song also saw the revival of Confucianism in the form of Neo-Confucianism. This had the effect of putting the Confucian scholars at a higher status than aristocrats or Buddhists and also intensified the reduction of power in women. The infamous practice of foot binding developed in this period as a result. Eventually the Liao dynasty in the north was overthrown by the Jin dynasty of the Manchu-related Jurchen people. The new Jin kingdom 