Though a long shot, the Megacampaign Import Chain described in the title would be a dream come true for me. This especially since, although unpopular, Paradox seems to see the merit in representing resistance to occupation/administrative consequences of territorial overreach. Meaning that the design teams' philosophy is unlikely to result in "nothing left to conquer" situation at a given point in the import chain.
To take a small tribe in Imperator and nurture it to being a power through the centuries... I would very much be willing to put my money where my daydreaming is.
To take a small tribe in Imperator and nurture it to being a power through the centuries... I would very much be willing to put my money where my daydreaming is.