Thus slavery in the District of Columbia would be protected, as was the movement of slaves between states.  
It included a clause that declared that the federal government was responsible for compensating slave owners whose runaways could not be retaken because of violence or intimidation.  Thus slavery in the District of Columbia would be protected, as was the movement of slaves between states.  Joint resolution S. No. 50, it was defeated in the Senate by a single vote and it would have been the first document to introduce the word "slavery" into the constitution.  For 10 points, name this last ditch effort to avert the Civil War proposed in December 1860 by a Kentucky congressman.
It included a clause that declared that the federal government was responsible for compensating slave owners whose runaways could not be retaken because of violence or intimidation.  
Crittenden Compromise