Regardless, it's only one part of the answer. Those same rigorous 'morals' were upheld in many places throughout Europe. There is so much more to human culture than religion, that I feel it's pretty ridiculous to say you think 4 paragraphs of explanation is enough to describe the differences between two randomly selected (tell me Austria had anything to do with Sweden when Columbus sailed the ocean blue), enormous groups of people separated by an ocean for a period of centuries.
Chances seem quite a bit higher that religious views would've been close to what would be accepted publicly, esp…