Answer:
A:gathering of facts, negotiation, self-purification, direct action.
Step-by-step explanation:
Martin Luther King wrote the "Letter from Birmingham Jail" as a response toa publication made on journals that criticized the non violent manifetations that happend in Birmingham, Alabama. He speaks of four steps that are essential for any right demanding group to make before engaging in any protest or manifestation, gathering of facts, this is to clearly see if injustices are still happening or were a isolated event, Negotiation, with the authorities to change something, when they do not do it, you proceed to self purification, to be able to pacifically protest, and then direct action which would be take the steps needed to pacifically protest.