On "Divine Kingship" in the Early Middle Ages in Western Europe

In the early Middle Ages in Western Europe,the political idea of divine kingship originates in The Bible.The strong political idea of divine kingship is embodied in the Christian political cultural traditions.The theory of divine kingship is concretely demonstrated by means of the oiled coronation.It makes the secular power unprecedentedly but it also puts unprecedented restrictions on it.The oiled coronation provides evidence for the superiority of religious power to secular power.In the meantime,it foreshadows the struggle between the church and the monarchy.