How to use "lawfully" in a sentence

I add, too, that all the protection which, consistently with the Constitution and the laws, can be given, will be cheerfully given to all the States when lawfully demanded, for whatever cause - as cheerfully to one section as to another.

Again, if the United States be not a government proper, but an association of States in the nature of contract merely, can it, as a contract, be peaceably unmade by less than all the parties who made it? One party to a contract may violate it - break it, so to speak; but does it not require all to lawfully rescind it?

But if the destruction of the Union by one or by a part only of the States be lawfully possible, the Union is LESS perfect than before the Constitution, having lost the vital element of perpetuity.

It follows from these views that no State upon its own mere motion can lawfully get out of the Union; that Resolves and Ordinances to that effect are legally void; and that acts of violence, within any State or States, against the authority of the United States, are insurrectionary or revolutionary, according to circumstances.