You are correct. The uneducated people were the ones that thought the planet was flat but the educated people knew the real shape of the earth.
Depends on the time period, but a theme was that money changers stimulated trade and help in the development of growing economies as the trade between different regions occur or happen during that time period.
I would say its "C"
Hope im correct and helped plz mark ad brainpist it would mean alot