As I do not equate the South rising again WITH slavery, nor have I ever condoned slavery, you pose your 'simple' question in an unanswerable manner.
It's like asking someone "When did you stop beating your spouse?".
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Answer ME this simple question.
Is the Constitution a 'living document', or not?
If I lived in the South, and the South were to "rise again", that is to say, become the Confederate States of America, I would certainly be against slavery being a part of that new nation.
That's what I was getting at. You seem to have a difficult time answering the original question. But, I will take it from your last answer, that under the above circumstances, that you would also be against slavery. Please correct me if I got that wrong.
As to your question, "Is the Constitution a 'living document', or not?"
I say, "no" because those who use the terminology that it is a "living" document, are too often the people trying to corrupt its original intent.