Put it another way, if a mere magazine with images of nude women could corrupt an entire population of people then just how moral was that population in the first place?
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I disagree Code Toad. People are wired for sex and sometimes the wiring wins. It is not that they are happy about what they are doing, it is that the visuals overwhelm. Moral people sometimes do immoral things. That is why our culture had such a cap on this sort of issue for so long. Our forefathers knew the weakness of the human mind and body.
Nudie magazines and letters were already a thing of the day. There were even mail clubs for just that thing. I live in a State where western brothels flourished. Our founding fathers had a few that weren’t exactly chaste. We built this nation with sex as a mainstay, so something else has to be causing the moral decline.
The “Progressive Movement”, which had a major surge in 1913, including its own political party of which the likes of Roosevelt belonged, has caused the moral decline far more than nudie pictures.