2.8 - Growing Tensions

In which Tibet recovers from the disastrous end of the Gar Regency. The Emperor Dusong seized power from Gar - only to die some six years later, leaving control of the empire in the hands of a regent. Meanwhile, in the east, the Tang prepared to make war, even while negotiating a marriage alliance with the new Tsenpo. And in the west, a new player emerged from the deserts of Arabia. In order to survive, Tibet would need to navigate these growing tensions. How would they fare in this new 8th century?