Friend, I'll answer to your last point because it is the most misguided. The Church of the East had its own course independent of the Catholic Church. By the early 13th century they lived under Islam and outnumbered Catholics. Nothing that the Catholic Church did carried any kind of weight East of Antioch. Please read up on Jacobite churches and Timothy I, patriarch of Baghdad. It is good for Westerners to study the history of the Eastern hemisphere - its center was Baghdad, not Rome.