Are both Protestants and Catholics Christians, even though they have different beliefs?

" Catholicism gives the appearance of being Christianity covered by a thick outer layer of "traditions of man." Satan certainly has no qualms about attacking the Church from the inside -- by twisting doctrines, etc. Jesus warned specifically about "traditions of men" and "leaven" or "yeast", i.e., false doctrine. It takes centuries for false doctrine to permeate a large group of God's people and become a generally-accepted teaching. Of course, by the time this happens the religious leaders have the appearance of authority -- "We have been the leaders for centuries. Who are you to tell us we are wrong? You are the one who is wrong. We need to protect the real believers from your doctrine." (Note that this happened with both the Jews and the Catholic Church.) Catholicism teaches salvation by grace and good works, not by faith alone. This doctrine was established at the Council of Trent. Protestantism and Messianic Judaism and the Bible teach that when a person accepts Jesus as his Lord ...  more