Answer:
b. cities in the western part of the Empire were larger and wealthier than those in the east.
Step-by-step explanation:
Pax Romana is a period of Roman empire that is referred to the time between 27 Before Christ era to 180 Common era. In local language this is known as Roman Peace.
During this period, The empire reached its peak and was the wealthiest of all. The population also large and was estimated to be about 70 million people. It was a period of peace and cultural achievement of the Roman empire. This period was also known as the "Golden period". The western region of the Roman empire were seen to be more wealthy and larger than the eastern region.
The western part of the empire was the main center of trade and commerce. And so this region prospered more than the eastern region.