I do believe she would have us in a civil war.
Which would break the country up for certain with no more unification.
I think that's a fair concern.
I also think that it won't happen like some on FR imagine....I think that it will be blue states (Northeast, maybe the West Coast) that leave. Why? Liberals are far easier to herd, and arrogant enough to think that they're better off without "Those Flyover Cretins".