Final answer:
Pax Romana, or "Roman Peace," lasted for about 200 years in the Roman Empire.
Step-by-step explanation:
Pax Romana, which means "Roman Peace," lasted for about 200 years. It was a period of relative peace and stability in the Roman Empire, starting with Augustus, the first Roman Emperor, and ending with the death of Marcus Aurelius. During this time, the Empire experienced minimal expansion by military forces and citizens enjoyed protection from banditry.