Explain this quote and the significance of it (Civil War): “’The occasion of that conflict was what the Yankees called – by one of their convenient libels in political nomenclature – slavery; but what was in fact nothing more than a system of Negro servitude in the South. . . one of the mildest and most beneficent systems of servitude in the world”

Explain this quote and the significance of it (Civil War): “’The occasion of that conflict was what the Yankees called – by one of their convenient libels in political nomenclature – slavery; but what was in fact nothing more than a system of Negro servitude in the South. . . one of the mildest and most beneficent systems of servitude in the world”