80 BC in the East?

Uh , lot of fun: Sakas of Seistan, Yuezhei in Baktria/Sogdiana, Indo-Greeks in Panjab and Patalene/Saurastrene....

Well, if you want some help about geopolitical problems in this far East I could help you a little bit. BTW 80 BC is almost the date when Maues, the hellenized Indo-Saka took the throne in Taxila, so you must take care at the precise start of the mod's date here