What was significant about King delivering this speech in 1963?

Locate I Have a Dream by Dr. Martin Luther King Jr. under the Documents Tab in Digital History. Read the document and write a 500-word essay including responses to the following prompts:
Link to Document:http://www.digitalhistory.uh.edu/disp_textbook.cfm?smtID=3&psid=4063 (Links to an external site.)
1. What was significant about King delivering this speech in 1963?2. What is a promissory note and how had the U.S. defaulted on its promissory note?3. Locate passages in the speech which support the idea of non-violent resistance.4. Give three examples from the speech of injustice that has persisted to today? Has King’s dream ever been realized?