They were referred to as Copperheads.
Northerners who were sympathetic to the South during the American Civil War were sometimes called "Copperheads" or "Peace Democrats." They opposed the war and supported a negotiated peace settlement with the Confederacy.
Copperheads were Northerners who did not want to go to Civil War. Rather, they wanted peace and to try and find a compromise with the South.
Copperheads
copperheads
The Republicans called the Peace Democrats "Copperheads" because they were comparing them to venomous snakes.
Copperhead - or anti-war Democrats
Peace Democrats but there enemies called them copperheads
It means you are at peace or are seeking to be at peace.
The title is "Civil Peace" when the situation in the story wasn't peaceful.
The Peace Democrats, later called the Copperheads. The leader was Clement L. Vallandigham.
"Civil Peace" by Chinua Achebe was published in 1971.
A Copperhead, A Peace Democrat or Butternuts.