One of the reasons the American colonists fought the Revolution was for the right to establish their own set of laws. Blackstone was entitled to his opinion, but his opinion had no binding effect on US law. Had the southern states gone to court to assert their right to withdraw from the Union, it is more than likely they would have prevailed. However, they chose instead to fire on the US flag at Ft. Sumter and suffered the deserved consequences.
YOU have absolutely NO idea as to what you are talking about.
The book I cited was THE excepted law textbook in every major school in the country for more than 50 years after it’s publication!