It is supposed to be "alternate history", so I'm sure that there won't be any historical civil wars in the game. Civils wars, though, were very important to the history of many of the factions and it would be historically inaccurate to ignore this. I think that it would be cool if brigands were reduced greatly and mostly replaced by scripted civil wars. These civil wars would not be tied to any specific historical event or character, but instead a certain set of in game conditions similar to those historical conditions that caused things like the Social War, slave uprisings, native Egyptian rebellions, etc. I don't know if the EB team is planning this, but I hope that they are.