Historically, Protestantism is like classical liberalism (individual liberties and rights) and Catholicism is like social liberalism (state enforced social justice).
Belief systems held by groups of people, typically legally recognized and often widely followed. Specifically major religions rather than belief systems or spiritual groups.
Modern banking originated in Italy around 1150 as Jews fleeing persecution brought new practices, including “discounting”, to the merchant banks of the Italian piazzas.
Isaac Newton produced many well-known works in math, astronomy, and physics, but he produced about as many unpublished works which dealt with theology, alchemy, and the occult.
While the majority of Americans don’t switch religions, but it is common to switch religions. As many as 42% of U.S. adults have assumed a different religious identity from the one in which they were raised, according to a 2014 Pew Research Center study.