Because Douglas didn't mind the creation of new slave-states, if the local people voted for it.
The Electoral College elects the president based on the votes of the people
Answer:
The size of the Atlantic slave trade dramatically transformed African societies.
Explanation:
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.