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Correlation doesn't mean causation.
These is also an outgrowth of western civilization based on christian ethics and greco-roman philosophy. That may also be the reason why they are so peaceful...as they have been for the past 100 years +.

Yeah, that's the very reason I wrote up the "...or might it..." -portion on the post. :p

And quite possibly it means that you are personally responsible for your own actions, without regret or better yet... fear, of eternal torture for simply acting human i.e. sinning...