Nonsense. The South Carolina commissioners hadn't met with anybody when Anderson moved, and it's clear from the reaction in Washington that nobody ordered Anderson to move. He did it all on his own, to protect his men by moving them from an indefensible position to a defensible one.
A nation that does not control their own borders is not a nation.
Well then the CSA was never a nation, since there was never a single day they controlled their own borders.