Tobacco plantations. This was correct on my test. Hope it helps
What is the question you are asking
<span>Pax Romana was the long period of relative peacefulness and minimal expansion by the Roman military force experienced by the Roman Empire after the end of the Final War of the Roman Republic </span>
Answer:
try searching for it on the NYT or brittaica they are both very reliable
Explanation:
I believe it's the income effect but i am not 100% sure