 In this flourishing time and the next, Persia served as the link between Rome and China and was seen as of pivotal strategic importance by the Romans to safeguard their

Around 300 BC, the Parthians, an Iranian tribe, invaded West Asia from Central Asia.Like the Scythians, and as the Persians when they first came to West Asia, the Parthians were nomadic people.They traveled around Central Asia with their horses and their cattle, grazing them on the expansive grasslands there.