The relevance is that secession can be for a number of reasons, shouldn’t the congress have a say over what reasons are valid since first and foremost we are US citizens?
I asked before where our citizenship lies with the state where we are born or where we live? Am I a Texas citizen or am I a US citizen?
Lee’s assumption that he was a citizen of Virgina first was something he later regretted.
You said: “Lee’s assumption that he was a citizen of Virgina first was something he later regretted.”
And that is documented where?