Anti-Catholic sentiment in the U.S. has deep roots.
In the 1800s, many Americans feared Catholics were more loyal to the pope than the country — and even saw them as a political threat.
https://theconversation.com/why-it-was-once-unthinkable-for-the-president-to-be-seen-with-the-pope-75907
https://theconversation.com/why-it-was-once-unthinkable-for-the-president-to-be-seen-with-the-pope-75907
