Read the passage from Martin Luther King Jr.'s "I Have a Dream" speech.

"Five score years ago, a great American . . . signed the Emancipation Proclamation."

What effect does Dr. King's allusion have on the speech?

a) The allusion shows Dr. King's importance since, in his speech, he is referring to President Lincoln.



b) The allusion reminds the listener that it has been one hundred years since the Emancipation Proclamation, and inequality still exists.



c) The allusion reminds the audience that slavery is over.



d) The allusion shows that equality was achieved with the Emancipation Proclamation.