I believe the answer is: C
not for sure*
Answer:
Answer of your question is this. ☺☺
Explanation:
On the map.
9.Indian Ocean
10.Australia
11.Antarctica
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
C. Improved Internet Access
The Office of Scientific Research was established FDR to bring scientists into the war effort for WW2. This existed before the invention of internet.