In respect to this, what claims did Boniface make in UNAM Sanctam?
Boniface reacted by excommunicating Philip, who then called an assembly which made 29 accusations against the pope, including infidelity, heresy, simony, gross and unnatural immorality, idolatry, magic, loss of the Holy Land and the death of Pope Celestine V. Five archbishops and 21 bishops sided with the king.
Secondly, what was the purpose of UNAM Sanctam? subsidies to lay authorities, and Unam Sanctam, defining the pope's supreme authority. From 1307 Philip wanted to destroy the Knights Templars, a powerful religious military order of knighthood.
Herein, what did Boniface VIII do?
Boniface VIII put forward some of the strongest claims of any pope to temporal as well as spiritual power. He involved himself often with foreign affairs, including in France, Sicily, Italy and the First War of Scottish Independence.
What biblical teachings did Boniface VIII cite to justify his supremacy?
The bull issued by Pope Boniface VIII in 1302. It declared that there were two powers on earth, the temporal (earthly) and the spiritual (heavenly). The spiritual power, he said, was always supreme over temporal power. In short, kings must always obey popes.