Hey there,
The result of the movement of the people across the fertile crescent was that the had a Cultural diffusion. This <span>Cultural diffusion made them have a crazy diffusion that there culture wasn't the same as how it used to be.
~Jurgen</span>
Answer:
The size of the Atlantic slave trade dramatically transformed African societies. The slave trade brought about a negative impact on African societies and led to the long-term impoverishment of West Africa. This intensified effects that were already present amongst its rulers, kinships, kingdoms and in society.
Explanation:
I believe the correct answer is the third option: it increases the demand for steel since steel was used to make rail cars and tracks.