T.R. all you have to do to conclude the division of the U.S.A into four countries is, at this point in time, a practical impossibility is to read the U.S. Constitution while, at the same time, contemplating what the "one to four" transition plan would involve.

Try it. Prompted by your question, I did, and concluded in quick order it would be impossible to pull off, short of a rebellion occuring that at its conclusion offered no other alternative than to set the clock back to 1776 and start over.