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:

Martin Luther King Jr. was a key leader in the Montgomery Bus Boycott and a well - known advocate for non - violent protest by African Americans. He played a central role in the civil rights movement and used non - violent strategies to fight for equality.

Answer:

D. Martin Luther King Jr.