sentences:  The churches of the East gave the Roman See primacy but not supremacy, i.e.the Pope being the first among equals, but not as an absolute authority with the ability to make infallible statements.Photius refused to accept the supremacy of the pope in Orthodox matters, or accept the Filioque clause that had been added to the Nicene Creed by the Latin church, and was later the theological breaking point in the ultimate Great Schism in the 11th century.