Answer: The answer would be C if not then its A
Explanation:
Abraham Lincoln, the president he released slaves from slavery on January 1st 1863
Malcom X wanted people to go back to Africa or from a whole different country without white people in it. Martin Luther King on the other hand wanted non-violent protests to try to get rid of the awful segregation. King said this about malcom x's civil rights movements. "a bunch of thugs organized from prisons and jails and financed, I am sure, by some Arab group." They both wanted the same thing which was freedom but one wanted to integrate with white people, and the other one didn't.
The reason why some nations were more prosperous and were faster to acheive economic prosperity was due to multiple reasons. Some have had multiple and violent military coups which obviously played a big role in their violent transitions. Other experienced violent civil wars because different cultures had to live together. These two things both played a very important devastating role in the violent transitions.
What could have been done would have been that they would redraw the borders.