Not legally. There was nothing in the original transfer that allowed for that.
No it wasn't.
Yes it was.
Yes legally. The original transfer, which was a statute, was REPEALED by the act of secession. If you repeal a law its contents no longer matter - even if those contents say "you can't repeal me." Ask Phil Gramm and Warren Rudman if you doubt that.
Yes it was.
No. It wasn't. I have already demonstrated beyond a reasonable doubt that the language in the two messages differed significantly. To deny that is to fib.