Answer:
C is the correct option.
Explanation:
Mass remains the same on Moon as it was on Earth but the weight differs on Moon because of gravity is less on the Moon than on Earth.
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.
The answer is a absolute threshold
I would go with A. It seems the most obvious to be correct plus it is true.
