The 3 forks of the 10th amendment prohibiting secession.
[font=arial, sans-serif]Amendment[/font][font=arial, sans-serif] X. The powers not delegated to [/font][font=arial, sans-serif]the United States[/font][font=arial, sans-serif] by the [/font][font=arial, sans-serif]Constitution[/font][font=arial, sans-serif], nor prohibited by it to the states, are reserved to the states respectively, or to the people.[/font]
[font=arial, sans-serif][size=small][font=arial, sans-serif]The powers not delegated to [/font][font=arial, sans-serif]the United States[/font][font=arial, sans-serif] by the [/font][font=arial, sans-serif]Constitution[/font][/font][/size]
[font=arial, sans-serif]There are deligated powers that prohibit secession [/font]
[font=arial, sans-serif][size=small][font=arial, sans-serif]nor prohibited by it to the states,[/font][/font][/size]
There are Constitutional prohibits against sovereign independence of States.
[font=arial, sans-serif]are reserved to the states respectively, [/font]
There is no evidence of a reserved power of secession.
[font=arial, sans-serif]or to the people.[/font]
The people, not the States have any residual sovereignty. The People of the US created the Consitution and only the people have the power to undo it.