Answer:
true because In ecology, a niche is a term describing the relational position of a species or population in its ecosystem to each other
Explanation:
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 am pretty sure a liquidation policy marks down prices so you get it cheaper almost like a sale
i'm sorry i have no idea :/