A. Colonists Became significantly less involved in politics
Columbus' Crew was just a bunch of people that were prisoners by the queen and just dirty, because the queen thought that Columbus wouldn't succeed, plus she needed to get rid of the prisoners.
King had a non-violence movement. They did things like sit in, practiced civil disobedience, and etc. When the police arrested them or acted violently towards them they would resist or fight back. This movement was successful.
The Black Power movement deals with violence. they thought that Kings way of getting rights was not helping so they took matter in their own hands and did things violently. This is why their movement wasn't successful.
I believe the answer is kennedy