Answer:
B. Nonviolent protest
Step-by-step explanation:
Due to widespread practice of racial segregation, or the separation of black and white Americans in public places.
King, together with other prominent members Southern Christian Leadership Conference, including the likes of Joseph Lowery, Ralph Abernathy, Ella Baker, James Bevel, Diane Nash, Dorothy Cotton, James Orange, C. O. encouraged and led a series of movement of non-violent, peaceful protests to fight racial injustice in the United States.
The index of nonviolent movement began in December 1955. It was the Montgomery Bus Boycott in the southern state of Alabama.