Answer:
D
Explanation:
The sahara trade took place in Africa, and Ghana is a main state in africa, B and C arent even located in Africa, so by process of elimination and background knowledge its D
"Raw materials were shipped from Africa to European industries"
Your answer is <span>C. I</span><span>t was the capital of the Sui Dynasty and the largest city in the world at the time.
Hope this helps.
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