Some spirit of secession has spread across the land, with various areas in Maryland, Colorado, Texas, California and elsewhere discussing seceding from their states, because of political alienation arising from significant differences in values and preferences. I don’t take the political prospects of American secession movements too seriously, and assume their principal purpose is to gain leverage for their preferred policies within their state governments.
These secessionists have an advantage over those seeking outright separation from the Union – and a big disadvantage. On one hand, they don’t have to deal with the Confederacy/slavery baggage that tends to confound discussions of secession in the U.S. On the other hand, the Constitution, Art. IV, sec. 3 clearly forbids the creating a new state in the territory of an existing one without the latter’s consent, and the consent of Congress. That is a high bar, practically insurmountable.
But there may be an easier way for those who seek to secede from their state – instead of creating a new “51st” state, secede to join an existing state. The Constitution’s requirement of home-state and congressional consent only clearly applies to the creation of a “new state”:
… 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.
The language of the provision is a bit unclear. Does the second clause above (“nor any State be formed”) refer back to, and continue the discussion, of “new states”? That would mean that the provision does not govern the transfer of territory from one state to another. The interpretation probably depends on what it means for [...]