Which statement does not characterize Martin Luther King Jr.'s "I Have a Dream" speech?

Which statement does not characterize Martin Luther King Jr.'s “I Have a Dream” speech?

a. It openly criticized the governor of Alabama.
b. It pointed out racial problems in the South but ignored racial injustice in the North.
c. It supported the peaceful congregation of peoples of all races and religions.
d. It invoked the power and symbolism of the American dream.