 The emperor 's political reforms were connected with his desire to conquer all of China and to legitimize himself as a Chinese emperor . The prospect of conquering southern China was cut short by Wanyan Liang 's assassination . Wanyan Liang 's successor , Emperor Shizong , was less enthusiastic about <unk> and reversed several of Wanyan Liang 's edicts . He sanctioned new policies with the intent to slow the <unk> of the Jurchens . Shizong 's prohibitions were abandoned by Emperor <unk> ( r . 1189 – 1208 ) , who promoted reforms that transformed the political structure of the dynasty closer to that of the Song and Tang dynasties . Despite cultural and demographic changes , military hostilities between the Jin and the Song persisted until the fall of the Jin . 
