Which civil rights leader preached nonviolence and used nonviolent means to fight racial injustice in the united states?
a. martin luther king, jr.
b. john lewis
c. bobby seale
d. huey newton

The leader who fought for the rights of black people, racial equality, and who preached nonviolence and used non-violent means is Martin Luther King Jr. Known for his speeches using the metaphor, he showed enviable eloquence and credibility as the leader of civil rights, advocating non-violence as an essential effective weapon in achieving the civil rights of black people.

The answer is: A.

the answer is "by providing data about careers and annual mean wages"