It was never seriously considered. It was not used because it would have been to hard, as there was many failed attempts at it before.
The first battle of bull run, each side had about 18,000 poorly trained and poorly led troops.
The Enlightenment, a philosophical movement that dominated in Europe during the 18th century, was centered around the idea that reason is the primary source of authority and legitimacy, and advocated such ideals as liberty, progress, tolerance, fraternity, constitutional government, and separation of church and state.
<h3>hope it helps</h3>
It's called Nullification
