Which of the Following Is the Best Description of the Period

Which of the following is the best description of the period of Roman history called Pax Romana ?

A) A period of Roman history marked by relative peace and prosperity begun by Augustus Caesar that lasted about 200 years.
B) The Roman solution to the Carthaginian problem whereby Rome imposed peace through overwhelming military power.
C) The Roman adventure into the Hellenistic Empires of the east to learn about how to have a kinder and gentler empire.
D) The Roman period when the rulers and average citizens embraced Egyptian beliefs and religious practices.
E) None of the options are correct.