That is because the South did a very good job in historical revisionism after the Civil War.
According to them, The war was not really about slavery but 'states rights'(war between the states etc)
Many conservatives accepted this as being 'gospel'and the civil rights movement (brought about in reaction to the Jim Crow laws) was yet an additional attack on the 'states'.
The South before the Civil War rejected the Declaration of Independence and its statement that áll men were created equal...ánd it was determined after the Civil War, to ignore it.
A Southerner drafted the DOI. Get your facts straight.
This statement shows complete lack of American history knowledge. I hope you don't really mean this.
The Sons of the South have played an integral role in the founding of this Republic and have fought to maintain our sovereignty since it's inception. They were there in Korea, Vietnam, WWII, WWI, GWI, GWII, Revolutionary, WBTS, and every other conflict. The South has given her finest statesmen and soldiers to defend this Republic time and time again - that includes defending the DOI/Const/BOR.