Imperial Powers

Let's say that Crassus destroys Parthian Army at Carrhae, and that Julius Caesar wasn't assasinated, and that he became a much-loved ruler.

Rome: Parthian Destruction from the West
The Roman Army, now swelled to about 40 Legions, or 240,000 men, was now at Palestine. Egypt had been conquered without force due to marriage and now Rome was at total war with the Parthians. The Romans had conquered Britain at Caesar's first time and now had a 30-Legion strong Army facing the Parthians, who were still reeling after the disaster at Carrhae. Augustus Caesar, son of the just died Julius Caesar, gave his Legions the order to attack, and seeing their Emperor, they swelled with great pride. They destroyed the Parthian Army and in 2 months were in Central Asia, near the border of Afghanistan. But as they were preparing to advance, an army of some strange people camped opposite of them and sending envoys, an army of small eyed people. Who were they?

China: Parthian Destruction from the East
The Chinese Army, a massive entity of some 650,000 men