Who is most likely to be featured in an exhibit about Young Faces of the American Civil War?

The faces depicted in this exhibit are that of young men from the American Civil War era, whose likenesses were taken using traditional photographic processes.

• Option 1: 1. A Union soldier wearing 19th-century clothing
• Option 2: 2. A Confederate soldier wearing 19th-century clothing
• Option 3: 3. An unknown individual in contemporary clothing
• Option 4: 4. A reenactor dressed as a historical figure from the war era