Search by "boston anti papist pope day", "Fright Night" or "Guy Fawkes Day" and you'll find some interesting reading on events and ideas that, in the background, affect us to this day.
What does that have to do with the democrat and republican parties.
It is some kind of genetic thing? Why do millions of foreign born Catholics vote democrat?
How far do we have to stretch reality to explain the 2008 Catholic vote, or how they turned California blue since the 1990s?