The Ku Klux Klan was originally just a social group of pranksters. It wasn't until well after the end of the war that it became the organization most recollect.
My forefather fought for the CSA in the 1st Louisiana Cav. and I have immense pride in the Confederate flag. The war was about Southern sovereignty and dignity, that's why we Southerners fought so valiantly to defend our homelands from the Yankee invader.