Because Quote by Lysander Spooner

But you answer, that the Constitution recognizes property in slaves. It would be sufficient, then, to reply, that this constitutional recognition must be void,…

— William H. Seward

It is perfectly clear, in the first place, that the constitution of the United States did not, of itself, create or establish slavery as…

— Lysander Spooner

Slavery existed before the formation of this Union. It derived from the Constitution that recognition which it would not have enjoyed without the confederation.…

— Jefferson Davis

If the states had to vote on slavery, we would have lost the vote.

— Jesse Jackson

Now, take the Constitution according to its plain reading, and I defy the presentation of a single pro-slavery clause in it. On the other…

— Frederick Douglass

Well for one, the 13th amendment to the constitution of the US which abolished slavery - did not abolish slavery for those convicted of…

— Angela Davis

“The framers of the Constitution, dealing with slavery as an incidental but troublesome circumstance, ended by extending it a kind of shamefaced recognition that…

— Don E. Fehrenbacher

There is not only no free state which would now establish it, but there is no slave state, which, if it had had the…

— William H. Seward

Abolish slavery tomorrow, and not a sentence or syllable of the Constitution need be altered. It was purposely so framed as to give no…

— Frederick Douglass

Whereas, Slavery, throughout its entire existence in the United States is none other than a most barbarous, unprovoked, and unjustifiable War of one portion…

— John Brown

“If Jefferson and the Founders knew that all men are created equal, why not outlaw slavery from the outset? The simple answer is that…

— Dinesh D'Souza

“Convicts had no meaningful legal rights at this time and no effective redress. They were understood, quite literally, to be slaves of the state.…

— Michelle Alexander