The biggest threats today aren't terrorists or illegal aliens, they comes from within, not unlike the causes of the Civil War.
The same enemy is working hard to destroy the nation as worked to preserve slavery- the Democrat party. There was no war between States rather a RAT rebellion.
Osama Bin Laden couldn't have said it better. Seems like you've been reading his playbook. If we continue to take our eye off the ball and focus our hate and distrust inwardly toward fellow Americans I guarantee we'll experience another 911 before another civil war.