Answer:
Indian culture enriched the Islamic civilization. The key Indian influences after the conquest of Sind were the following ones:
1) Indian achievements and progress in science, medicine, astronomy, and arts, including music, were passed to the Arabs.
2) What are currently known as "Arabic numbers" have roots in the acceptance of Indian numerals.
3) Arabs adopted Indian customs and traditions while, at the same time, they spread Islam.
4) Islamic governments adopted some Indian political traditions.
Well, not in the development as it would have happened otherwise: the whole American civilization, many people and life style was wiped out., Africa was also suffering from all the slaves taken from it. Only the Europeans profited.
From the point of view of the natives: not.
From the point of view of the Europeans? yes.
From the point of view of the Africans? not.
Personally? I am a great fun of American languages and, and I wish they were better maintained and I think slavery is a prize to pay for anything. No, I don't think it was a positive change, not with all the deaths and suffering.
I’m not 100%, but i’d say A
