how was the relationship between a Frankish king and the pope beneficial to both?

The relationship between a Frankish king and the Pope in medieval times was mutually beneficial for several reasons. Let me explain how this alliance worked and why it benefited both parties.

To understand this relationship, we need to look at the historical context. The Frankish kingdom, established by Clovis in the 5th century, evolved into the Carolingian Empire under Charlemagne in the 8th century. The Catholic Church, led by the Pope, held great spiritual authority and influence over the population in Western Europe during this period.

1. Political Legitimacy: The Pope held significant authority not only as the leader of the Catholic Church but also as a symbol of religious legitimacy. By forming an alliance with the Pope, a Frankish king could enhance his own political legitimacy and establish his rule as divinely sanctioned. This association with the Church boosted the king's authority and helped maintain social order by promoting the idea that the king had the backing of God.

2. Religious Authority: The Pope played a crucial role in religious matters, including granting sacraments, appointing bishops, and interpreting theological doctrines. By maintaining a close relationship with the Pope, a king could gain influence over religious affairs within his kingdom. In return, the king would support the Pope's religious agenda and carry out his directives, which strengthened the unity and control of the Catholic Church.

3. Military Support: In times of warfare or external threats, the Pope could provide crucial support to a Frankish king by mobilizing the Church's resources. This assistance could include financial aid, declaring holy wars, or rallying other Christian rulers for military support. The Frankish king benefited from this military aid, strengthening his position and expanding his territorial control as he faced external challenges.

4. Donation of Land and Wealth: The Frankish kings would often grant large pieces of land, known as benefices or fiefs, to the Church. These donations were mostly made to the Pope or high-ranking clergy and helped solidify their loyalty to the king while also enriching the Church. In return, the king received support in the form of prayers, religious services, and the ability to influence the appointment of key clergy within his kingdom.

In summary, the alliance between a Frankish king and the Pope in medieval times was beneficial to both parties. The king gained political legitimacy, religious authority, military support, and the loyalty of the Church, while the Pope secured the backing of a powerful ruler, gained influence over the kingdom's religious affairs, and received substantial land and wealth as donations.

http://en.wikipedia.org/wiki/Charlemagne

http://www.scribd.com/doc/220107/The-Carolingian-Kings-and-the-Papacy

http://historymedren.about.com/library/who/blwwleo3.htm