Catholics obey the pope because he is their spiritual leader.
The pope does not have any authority in the Orthodox Church. The pope only has authority over Roman Catholics.
No, the Pope does not have the authority to declare war.
The Pope's move and the establishment of a rival pope divided the Church's supporters.
Protestants generally do not recognize the authority of the Pope within the Catholic Church. They believe in the priesthood of all believers and do not view the Pope as the ultimate authority in matters of faith and doctrine.
As the successor of Saint Peter, supreme authority is vested in the Pope. He has universal jurisdiction and all Catholic bishops may only use their authority when they are in communion with the Pope.
Brevet
It was believed that only the Pope had authority to interpret scripture.
The pope's zucchetto is a small skullcap worn as a symbol of authority and humility in the Catholic Church. It signifies the pope's role as the leader of the Church and his submission to God's authority.
The Pope's role in the Medieval society is to represent the spiritual authority of the Church and, later, the state authority, which was normally represented by a King or Emperor, but was changed with the argument titled the 'Doctrine of Swords', which claimed that the Pope had authority over both the church andthe state.
No, Christians who do not believe in the authority of the pope are generally not classified as Roman Catholics. Roman Catholicism specifically recognizes the pope as the spiritual leader and authority of the Church. Christians who reject papal authority may identify as Protestants or belong to other denominations that do not adhere to the Catholic tradition.
God is their final authority; however I think you are asking in terms of the Pope for the Catholic religion. The Protestant faith does not have an earthly authority figure such as the Pope; there are leaders within the church but not a single authority figure as is found in the Catholic faith.
Adjudication means to give power, right, or authority.