Answer:
The positive aspects of the Pax Romana mostly had to do with trade. Rome traded with the Han Dynasty through the Silk Road. The trade helped their prosperity. Rome had lots of towns and a few large cities. or The 200 years of the Pax Romana saw many advances and accomplishments, particularly in engineering and the arts. To help maintain their sprawling empire, the Romans built an extensive system of roads. These durable road facilitated the movement of troops and communication.
Explanation: i looked it up hopefully this helps you out.