A parallel case was the Fugitive Slave Act. Article IV of the Constitution says that any person held to the service or laborer in any state escaping … - Harry V. Jaffa

On the question of the gentlemanliness of the debate, I'm reminded that in the Congress, just before the Civil War, the Senator from New Hampshire, I think, made an anti-slavery speech, and a Senator from Mississippi, not Jefferson Davis, invited him to come down to Mississippi to make that speech, promising to see that he was hanged from the highest tree in the forest. The Senator from New Hampshire invited the Senator from Mississippi to come to New Hampshire where he would be given a respectful hearing in every township in that State.

If a minority, losing an election, can break up the government rather than accept the results of the election, free government is impossible. If the only alternatives to rule by a Constitutional majority, I say, Constitutional majority, a majority formed under the rules of the Constitution with minority rights secured. There were no examples of the Republicans doing anything to prevent the opposition from having freedom of speech, freedom of press, freedom of association. There was a great deal of interference with those rights in the Southern states. But they lost the election according to their own rights. And Lincoln said that if people can break up the government rather than accept the results of a fairly conducted election, then the only alternatives are anarchy or tyranny. What is to prevent, he said, anyone of the states seceding from any future union?

For nearly three quarters of a century, Jim Crow imposed on free Negroes a regime in many respects harsher than slavery. The persons of slaves received a certain protection from the fact that they were valuable property, a protection that was stripped from them after they were free.