Do you really think this will result in a civil war? I'm interested in your basis for this thought.
The United States is stuck in apathy. Americans are worried about their day-to-day life: bills, work, family problems, health issues, etc. There is a lack of interest in matters of general importance because they know how corrupt our politicians have become.
It's getting to the boiling point and no matter what comes out of Congress, if anything, somewhere there's going to be a shooting over illegal immigration and when that happens it's going to be a free for all and all hell won't stop it.