But, THAT is the chief argument given as the justification for illegal actions that lead to starting of a war that cost the lives of maybe 3,000,000 people in this country. Those 3,000,000 didn't have to die to free the slaves.

Didn't You say something like you could expect the Underground railroad to have to end in Canada when you have laws like Dred Scott. That may have been a fact. But that fact was rooted in a disrespect for law that was rooted in the United States Constitution even more firmly that our 1st Amendment. It was part of the Constitution and not an amendment.

Law is established to maintain order. When law is held in disrespect, then you have chaos and disorder.