Letter from Birmingham Jail by Martin Luther King Jr

read Letter from Birmingham Jail by Martin Luther King Jr on the following website:

http://web.cn.edu/kwheeler/documents/Letter_Birmingham_Jail.pdf

then:
Write a rhetorical analysis of the techniques Dr. King uses to persuade the reader.
Audience where was it published? Who reads this publication? (This is a multi-tiered question when you look closely.)
Purpose what is the author attempting to do? What is the occasion for doing so?
Evidence  what facts, data, examples, etc. does the author cite
Reasoning  how does the author build his or her argument? How is evidence used?
Communication strategy  how does the author appeal to the audience? What types of rhetorical strategies does he take? Is he successful?