Read the passage: five score years ago, a great american, in whose symbolic shadow we stand today, signed the emancipation proclamation. this momentous decree came as a great beacon light of hope to millions of negro slaves who had been seared in the flames of withering injustice. it came as a joyous daybreak to end the long night of their captivity. identify the allusion in the passage. then explain the effect of that allusion. a dr. king alludes to lincoln's freeing of the slaves; the effect is that the audience realizes that america has not achieved its original promise of equality. b dr. king alludes to lincoln's freeing of the slaves; the effect is that the reader understands that dr. king feels joy that america is a land of equal opportunity. c dr. king alludes to the founding fathers and their signing of america's foundational documents; the effect is that the audience realizes dr. king is an educated man who is worthy of respect. d dr. king alludes to the founding fathers and their signing of america's foundational documents; the reader understands that dr. king considers himself an important part of america's history.