Question

a leader of the montgomery bus boycott who also became the spokesperson for nonviolent protest by african americans was
○ ella baker.
○ james farmer.
○ rev. ralph abernathy.
○ martin luther king jr.

Explanation:

The Montgomery Bus Boycott was a key 1955-1956 civil rights event. Martin Luther King Jr. emerged as a leader of this boycott and went on to become the most prominent national spokesperson for nonviolent protest in the African American civil rights movement. The other figures were civil rights activists but did not hold this specific dual role from the boycott.

Answer:

Martin Luther King Jr.