James Blaine: “But Kansas would not sell her birthright for a mess of pottage.”

And if Congress shall break up the present Union by unconstitutionally putting strife and enmity and armed hostility between different sections of the country, instead of the domestic tranquility which the Constitution was meant to insure…

Is any portion of the people bound to contribute their money or their blood to carry on a contest like that?

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

The right of the General Government to preserve itself in its whole constitutional vigor by repelling a direct and positive aggression upon its property or its officers cannot be denied.