But an increasing hostility on the part of the non-slaveholding States to the institution of slavery, has led to a disregard of their obligations, and the laws of the General Government have ceased to effect the objects of the Constitution.
This passage shows why compromise had broken down by 1860. South Carolina said that the Northern states had violated the constitution because they refused to enforce the Fugitive Slave Act. This went against many of the moral beliefs of the Northerners.