Answer:
The climate might not fit their life style
Explanation:
The statements that true is C. Salt was so valuable in Ghana that it was Worth in Gold
Many said that the Ghana empire was rich by handling the trade of Salt and Gold. There are no record about option A and option B.
And Option D. is definitely wrong because the Ghana Empire use Silent Trading, the trading occurred without the traders seeing each other face
The clouds of hot ash was on its way to New England but the deadly gases it kept on collecting was making it slower and slower to get it to its "destination".