What is Martin Luther King, Jr. most effective response to injustice, what justifies the actions they recommended, and the winning with the supports of the whites?

But since I feel that you are men of genuine good will and that your criticisms are sincerely set ... Injustice anywhere is a threat to justice everywhere ... would be the by product of direct action, we felt that this would be the best time to bring pressure to ... Yours for the cause of Peace and Brotherhood - Martin Luther King, Jr. He wanted to be equal he most effected the equal rights and slavery