Well, Douglas became the leader of the Republicans in the struggle in Congress to defeat the Lecompton Constitution, and he succeeded. And from becom… - Harry V. Jaffa

[S]lavery existed among the Americans largely because of the action of the crown. For the king to have been complicit in the importation of slaves into America and then to have attempted to use them in a war against their masters merited condemnation in its own right. In no way did such condemnation imply a justification of slavery itself.

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.

Diversity in the service of freedom might be a very good thing. Diversity in the service of slavery might be a very bad thing.