And things have changed quite a bit since the civil war. We have a very interconnected country and world. Airplanes exist now. Nuclear submarines and cruise missiles. The destructive power of our weapons has increased ten fold. And we have instant access to 24/7 new media. I don’t think we have the appetite for such a thing in this day and age. Not to mention how any number of hostile nations would be foaming at the mouth looking forward to us having our guard down.