States are sovereign and have the right to unilaterally secede. That is precisely what each of the 13 colonies did just 8 years before the constitution was ratified. Nowhere in the constitution do the states delegate to the federal government the right to prevent secession by any of the sovereign states. Under the 10th amendment, this is a power reserved by the states.
That is how everybody understood the constitution at the time that it was ratified. Just to emphasize the point, three states - including the two biggest ones which were leaders of their respective sections of the country, New York and Virginia - expressly reserved the right to unilateral secession at the time that they ratified the constitution. Quite simply, secession is not treason. Treason is providing aid and comfort to the enemy in time of declared war.
“States are sovereign and have the right to unilaterally secede. That is precisely what each of the 13 colonies did just 8 years before the constitution was ratified”
You’re calling the revolution secession?
The Founding Fathers knew well they were committing treason.
It was justified.
Unless the Constitution either explicitly grants a power to the Federal government or prohibits that power from being exercised by the states, it’s a state or local power.
Nowhere does the Constitution say you can’t secede. In fact, the Union itself induced six counties to secede from Virginia, and thus from the Confederacy.