the BOR is written in simple/easy to understand words & it means what it says. (had any of the founders thought that the language of the BOR was NOT plain to any "reasonably literate person" of the 19th century, they would have made the words even simpler.)
fyi, the Constitution of these united States is NOT "a living document", which is subject to "perceived changes in society" by the federal/state/international courts or anyone else. it is what it IS & it means precisely what the "plain text" says.
PLEASE go read the NINTH & TENTH amendments to the BOR & then come back here & either:
a. tell everyone WHERE/WHEN that either the States and/or the people CEDED the POWERS/RIGHT of any free State or group of States to unilaterally change/secede from/reform/abolish the union
OR
b. admit that you are in error.
"the bottom line" is that, regardless of the revisionist/statist LIES that you were propagandized with in "duh fedrul gubmint apruvd public screwls sistim", unilateral secession was in 1861 & NOW is perfectly Constitutional.
free dixie,sw
If a mechanism existed that would allow Texas to leave the Union it would have been included just like it included the possibility of a pendactic (fancy Greek word for 5 way split) break up within the Union.