Must have missed that.
Imports and exports are merely opposite ends of the same horse, so a tax on one is effectively the same tax on the other.
And it wasn't a "rebellion." The exercising of a right to secession is not "rebellion." Salmon P. Chase also reiterated this point, though later he rightfully became terrified of the political power unleashed, and just like Kavanaugh or Roberts, he would capitulate on a principle out of fear for his own safety and concern for his social status.
Your 'evidence' tends to be your opinion and nothing else.
You tend to portray clear cut evidence as "opinion", perhaps because so much of your own "evidence" fits this pattern.
“Southern wealth and northern profits, as exhibited in statistical facts and official figures: showing the necessity of union to the future prosperity and welfare of the Republic.”
That one has got to hurt!