Answer:
The answer to your question is D) Chemical refining of petroleum
Answer:
European nations had access to Chinese cities. China had less access to trade and new technology. Chinese culture was more influenced by European religion and ideas.
Explanation:
They where used in the war or they cam from the place they where at war with.
Answer:
I think D
Explanation:
They allowed people to follow many different religions. I'm apologize if it's incorrect! <3
Mansa Musa went on a pilgrimage to mecca. This Journey strengthened ties between Mali and other muslims nations.