The Civil War: The War That Pitted Brother Against Brother (1991)

From the back of the box:

• Fifteen square feet of map area covering the conflict from Galveston, Texas to St. Joseph, Missouri and from Philadelphia, Pennsylvania to Jacksonville, Florida.

• Counters represent all of the land and naval units from armies to brigades and from fleets to river flotillas.

• Unique leadership rules: no leader is ever the same; their abilities change with every battle.

• Excellent tactical combat system; tactical combat chit selection and combat matrix combined with Combat Results Track to resolve combat.

Time Scale: One calendar week per game turn
Map Scale: 15 miles per hex
Unit Scale: Brigade to Army