States rights meant the right to own and sell and pander human flesh.
All symptoms lead back to the root cause, slavery.
The Constitution legalized slavery, moron, not the states. The federal government even enforced it.
You mean like this: (3) The Confederate States may acquire new territory; and Congress shall have power to legislate and provide governments for the inhabitants of all territory belonging to the Confederate States, lying without the limits of the several Sates; and may permit them, at such times, and in such manner as it may by law provide, to form States to be admitted into the Confederacy. In all such territory the institution of negro slavery, as it now exists in the Confederate States, shall be recognized and protected be Congress and by the Territorial government; and the inhabitants of the several Confederate States and Territories shall have the right to take to such Territory any slaves lawfully held by them in any of the States or Territories of the Confederate States.
Now, tell us where any such language appears in the COTUS. And please, not the 3/5ths clause.