Why did the Roman catholic church become separate over which doctrine?
Bonn Agreement (religion): The Bonn Agreement of 1931 is a document, negotiated on 2 July 1931 in Bonn, which established full communion between the Church of England and the Old Catholic churches of the Union of Utrecht, including the Old Catholic Church of the Netherlands. Old Catholic Church: The term Old Catholic Church was originally used from the 1850s by groups which had separated from the Roman Catholic Church over certain doctrines, primarily concerned with papal authority.
papal authority