The excerpt below comes from Martin Luther King, Jr.'s "Letter from Birmingham Jail."
the way of nonviolence became an integral part of our struggle. If this philosophy had not emerged, by now the streets in the South would, I am convinced, be flowing with blood.... If they refuse to support our nonviolent efforts, millions of Negroes will, out of frustration and despair, seek solace and security in black nationalist ideologies....

Which statement best reflects Martin Luther King, Jr.'s thinking in this excerpt?

F Nonviolence has failed black Americans.

G White violence against nonviolent blacks has halted the civil rights movement.

H It is time for blacks to abandon nonviolence and turn to black nationalism.

J Rights should be extended to blacks before they begin to abandon nonviolence.