Original sentence: Protestants separated from the Catholic Church because of theologies and practices that they considered to be in violation of fundamental Christian doctrine.The Roman Catholic Church is the largest denomination with over 1.1 billion members, comprising over half of all Christians worldwide making it the largest denomination for any religion worldwide (although the Church itself does not view itself as a denomination, but as pre-denominational)
Edited sentence: Mainly, the shared view amoungst Protestants were that the Catholic Church was guilty of practices that they considered to be in violation of fundamental Christian doctrine.Protestants separated from the Catholic Church at the beginning of the 16th Century for debatable reasons.The Roman Catholic Church is the largest denomination with over 1.1 billion members, comprising over half of all Christians worldwide making it the largest denomination for any religion worldwide (although the Church itself is not correctly referred to as a denomination, as it is pre-denominational).This, however, is largely argued against and many Protestant Church Heads ulterior motives are often called into question