Do the other states have the right to expel an individual state from the Union against their will?
From the below references I used for my essay it seems there should be a mutual agreement. In terms of a general right to secede, the 20th century provides an example of peaceful secession with Czechoslovakia and brutal separation with Yugoslavia. It would be nice to get rid of the urban parts of New Yyork and California.
James Madison, Secession, & State Sovereignty
https://groups.google.com/forum/#!topic/alt.war.civil.usa/p5V_C8Hm8yw
Do States Have a Right of Secession?
https://www.capitalismmagazine.com/2002/04/do-states-have-a-right-of-secession/
James Madison on Secession
https://almostchosenpeople.wordpress.com/2010/02/26/james-madison-on-secession/