James Blaine: “In the vexatious war with the Seminoles, General Jackson did not hesitate to march across the line, capture Pensacola…”

All these provisions are made to protect the States, not to authorize an attack by one part of the country upon another; to preserve the peace, and not to plunge them into civil war.

You can use force only to repel an assault on the public property and aid the Courts in the performance of their duty.

If it be true that war cannot be declared, nor a system of general hostilities carried on by the Central Government against a State, then it seems to follow that an attempt to do so would be ipso facto an expulsion of such State from the…

Without the exercise of those functions which belong exclusively to the civil service, the laws cannot be executed in any event, no matter what may be the physical strength which the Government has at its command.