How did Pax Romana impact the population during the 200 year period?

It gave them a degree of peace, security and prosperity.

Explanation:

Pax Romana, Latin for "The Roman Peace", is the long period of relative peace, generated by weapons and authoritarianism, experienced by the Roman Empire that began when Augustus in 28 BC declared the end of civil wars. This period of peace lasted until the year of the death of the emperor Marcus Aurelius, in 180 AD.

It got alot if land and then the population started increasing. it finally reached 70 million