The correct answer is B, that they held a romantic view of the Old South and believed it was mostly good.
The White Southerners Romanticized the Civil War, they looked at the old south Confederate heroes with reverence.
Following the defeat of confederacy and the abolition of slavery, the South Americans were left to fight with the legacy of its antebellum life. The formation of the new southern regional identity through the idea of the Lost Cause, steeped in dejection and the romanticization of antebellum life. It also provided a way to North and South to reunite and strengthen national unity, as the legacies of slavery and the Confederacy were made more savoury by acknowledging the heroic nature of the defeated South.