What does the label copperhead have to dowith the creightons?

The label "copperhead" refers to a faction of Northern Democrats during the American Civil War who opposed the war and sought a negotiated peace with the Confederacy. The Creightons, a fictional family from the novel "North and South" by John Jakes, are depicted as being embroiled in the tensions of the era, with some members holding copperhead sympathies, reflecting the divided loyalties and conflicts experienced by families during the war. This label underscores the political and social struggles faced by characters like the Creightons amidst the larger national conflict.