New States may be admitted by the Congress into this Union; but no new State shall be formed or erected within the Jurisdiction of any other State; nor any State be formed by the Junction of two or more States, or Parts of States, without the Consent of the Legislatures of the States concerned as well as of the Congress.
This is a realignment of a border, not the formation of a new (51st) State. There would still be only 50 States after the realignment.
Congress has no role or jurisdiction in this matter.
Put your peepers on. Read it again. That isn’t it what it says.
Clearly they are talking about new states.
Besides, it’s all CalvinBall now. One thing that is amusing (sort of) is conservative insistence on dotting all the i’s and crossing t’s, we’re up against stone cold thugs and Republicans want to ask permission and operate under Queen of Marquesberry rules or whatever it’s called.