Not sure how common this is being my first serious campaign, particularly in light of the above, but by 250ish in my Romani campaign:
Hayasdan have most of the Causcaus and are at war with the AS.
Baktria is holding its own against the AS and expanding into India.
The Arverni own most of southern France, much more than the Aedui anyway.
And this is all without any real interference on my part. Screenshots of map will be forthcoming.
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