Producers Philippe Thibaut and Philippe Malacher convey:
(...) we are currently developing ACW2, the sequel to Ageod American Civil War, widely accepted by the community of strategy gamers as a classic of the genre. So what's in you may ask? Why doing a version 2 if the first opus seems to cover the conflict well enough.
Peer intently then and get some answers regarding what to expect of this second volley alongside some concept art sightings here.