So the slave issue really under-laid the tariff issue. But it also happened that in the committee which was scheduling the tariffs, the people in Sou… - Harry V. Jaffa

The vice-president and the president of the Confederate States of America grounded their justification of American slavery on the grounds of a fraudulent science and a crazy fundamentalism. No sane person today can regard them as other than pathetic reminders of a society, like Nazi Germany, mentally unbalanced by its commitment to human inequality.

And Lincoln said that by your own argument, if the local regulations are not forthcoming, you must support the federal enforcement; if you don’t, you’re taking the same position as the abolitionists, who denied any obligation to enforce the Fugitive Slave Law.

Douglas accepted Dred Scott, and in Dred Scott, the Chief Justice had said that the right to own slaves is expressly affirmed in the Constitution. And Lincoln said in the debates that it was implied but not expressly affirmed. The argument against any restriction on slavery was that any right expressly affirmed in the Constitution takes precedent over any law or regulation in any jurisdiction whatever. (Remember, the supremacy clause in Article VI of the Constitution says that this Constitution, and the laws and treaties made in pursuance thereof, are the supreme law of land—anything in any law or a constitution of any state to the contrary not withstanding.)