Well most of them base their ideas on their particularly twisted version of Christianity, so pretty much exactly like Sharia law. Some of them don’t even hide it and straight up admit they want Christian flavored Sharia law. Republican voters seem to be a pretty even mix of militant authoritarian Christians and those that don’t actually care about religion but find the ones that do to be useful puppets so they play along. Nearly all the politicians just talk about Christianity because it plays well with their supporters, although there’s a few that are legitimate believers and those are the truly frightening ones.