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The correct option is expansive borders that faced constant attack.
What caused the end of Pax Romana and the fall of the Roman Empire?
Pax Romana ended following the death of Marcus Aurelius, who broke with recent tradition by anointing his son Commodus as his successor. Plagued by decadence and incompetence, the reign of Commodus ended in 192 A.D. with his assassination, which sparked a civil war that brought an end to a golden age of Roman history.
What happened to Rome during the Pax Romana?
During the Pax Romana, the Roman Empire reached its peak in terms of land area, and its population swelled to an estimated 70 million people. This map depicts the Roman Empire in 117 C.E., at the height of the Pax Romana.
Learn more about Pax Romana at https://brainly.com/question/417329
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