I believe the answer is Opium. Hope I helped!
I think it's "C". The Hellenistic Age was a time where people all over Europe embraced Greek culture, and was the perfect time to be a philosopher. I hope this helped!
They started it like this because we are talking about ALL OF AMERICA. All of America's people.
Critical air pollution and decrease of oil
I think it is false. Jefferson mostly expected the nation to rely on agriculture