The Romans got kind of a raw deal in EB, since they are perfectly balanced if the player plays as Rome, but the Roman AI faction is pretty pathetic, rarely getting beyond Gaul and Illyria and often getting smashed by the Lusotanns and Carthage. So it's rare to be able to fight a historically sized Roman Empire later in the campaign.

How can I make a mod which makes Rome stronger in the campaign? What should the mod do? Give Rome more bonus money than any other faction so they can recruit more units? Make their units stronger when the AI plays as Rome? Add a gold-chevroned Roman full stack near Carthage at the end of the 2nd Punic War so they actually conquer Carthage instead of just taking Spain?

How would I do all of the above?