Some Feel That Blacks Became Apathetic and Content After Receiving

Some feel that blacks became apathetic and content after receiving the right to vote. What evidence do we have that this statement is not true?

A) Blacks initiated sit-ins, labor strikes, and other unrest to protest unfair conditions.
B) Black intellectuals began writing on the subject of racial harmony and peace.
C) Black folk tales and other cultural developments began to grow stronger.
D) None-Most historians think this is what happened to blacks after the Fifteenth Amendment passed, and why it took so long for blacks to gain their rights.