Final answer:
Dr. King makes an allusion to the Emancipation Proclamation in paragraph 2 of his 'I Have a Dream' speech, emphasizing the promise of equality and connecting the present to the historical struggle for emancipation.
Step-by-step explanation:
In paragraph 2 of his famous 'I Have a Dream' speech, Dr. King makes an allusion to the Emancipation Proclamation, which was issued by President Abraham Lincoln on January 1, 1863, and declared freedom for enslaved people in Confederate states. By referencing the Emancipation Proclamation, Dr. King emphasizes the promise of equality and freedom for all people, particularly African Americans, and highlights the unfinished work of civil rights. This allusion serves to connect the struggles of the present with the historical struggle for emancipation.