Anyone who did not believe the catholic church was jailed, Killed or so severely persecuted no one would have openly admitted having a belief other than the church.
If you think this makes the catholic church the only true church, You do not know much about God.
If you think this makes the catholic church the only true church, You do not know much about God.
Besides, unless you reject the Old Testament, God commanded the Jews to do exactly all of those things to all non-Jews living in "their land". Jews killed anyone who didn't convert. "If you think this makes the Jewish religion the only true belief, You do not know much about God".