They believed Chinatowns were unlike other parts of a city and should not exist.
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.
They are personal freedoms guarantees and freedoms that the government cannot abridge, either by law or by juditial interpretation,whithout due process
It was lasted over 9 years from December 1979 to February 1989