The documentary is produced by Boynton, Erika Dilday, and Thea Piltzecker.
The film will release in select theaters on Friday, September 17.
RELATED: Exclusive: Last Night in Rozzie Clip Featuring Jeremy Sisto & Neil Brown Jr. “Civil War travels across the United States to explore how Americans tell the story of their Civil War,” reads the official synopsis.
Civil War (or, Who Do We Think We Are) Clip - Beck Knob Cemetery