 Afterwards, there were more military campaigns and peace deals that did not hold.One unresolved arbitration took place at the Council of Constance.In 1415, Paulus Vladimiri, rector of the Kraków Academy, presented his "Treatise on the Power of the Pope and the Emperor in respect to Infidels" at the council, in which he advocated tolerance, criticized the violent conversion methods of the Teutonic Knights, and postulated that pagans have the right to peaceful coexistence with Christians and political independence.