They don't admit solitary confinement is torture right at the top (which is telling), but if you scroll down in the wiki you'll find:
Solitary confinement is considered to be a form of psychological torture with measurable long-term physiological effects when the period of confinement is longer than a few weeks or is continued indefinitely.
So who came up with this wonderful concept? In a plot twist, it turns out it was the polite, well-dressed oatmeal people all along:
Quakers and solitary confinement: We thought it was a good idea. Now we don’t! (CT Mirror 3/17/2021)
Oh well, we all make mistakes, right? The final reveal is that they may not at all be who you thought they were:
The SOCIETY of FRIENDS looks like another JEWISH FRONT (9-page PDF)
The usual caveats accompany the work of "Miles Mathis", but when you dig into the Quakers beyond what's included in the paper, it just looks worse and worse.
You seriously believe that nobody used solitary confinement before the 19th century?
I know, I know, you had to get all the way to the third paragraph in wiki. And no pictures along the way!
Ah, yes. The USA are the only country in the world. Nothing existed before.
Retard.
Ah yes, is that considered well-mannered in your country? Then I guess your country and you can fuck right off.
Plus, I believe I banned you from reading anything I post. Again, what an incredible lack of respect. Keep yourself, your comments, and all such behavior away from me and my country in the future to prevent our degradation.
Disgusting.
No need to be well mannered when talking to raging Jew-haters like you.
You don't deserve any respect you fucking clown.