[lentulusgracchus]

States, on the other hand, did need the consent of the other states to join the Union.

Not true. Connecticut didn't need Massachusetts's assent, to join the Union.

You keep going back to that Hitlerian "the Union created the States" stuff.

[Non-Sequitur]

Not true. Connecticut didn't need Massachusetts's assent, to join the Union.

Mississippi did. Florida did. Alabama, Louisiana, and Arkansas did. Texas did. And on and on and on. The Constitution itself needed the consent of the people of the United States to be established the Union in the first place. The consent of the people of the United States is required to disestablish it.