SECESSION is just ONE of those "reserved" powers.
NO state would have FREELY joined a union from which they couldn't just as FREELY depart. even YOU should be smarter than to believe the stupid garbage that you routinely post. otoh, perhaps you think or HOPE that your readers are dumbER than you seem to be.
laughing AT you & your IGNORANT bilge.
free dixie,sw
States were already in a perpetual Union even before the Constitution. States in 1787 knew they could not exist by themselves and that without the Union they would become part of the Empires surrounding them.
After the original 13 states didn't JOIN they were CREATED by Congress.