Answer: Their authority was based on God's mandate, which, as such, is inviolable and usually supported by the Church
Explanation: Monarchist rule is a kind of dogmatic rule, where the monarch often does not respond to anyone, believing that he is chosen by God, and as such puts himself above his subjects. Such conviction is usually associated with a period in which the Church and religion have a dominant role in society, and such monarchs usually have the blessing of the priesthood. There were some monarchs who really believed that they had God's right to rule, although this was especially the case during the Middle Ages, was the usual political practice, the creation of an alliance between the monarch and the Church, and strengthening of political power and influence.