What do you look at when you try to Analysis a speech rhetorically?

Letter to Birmingham rhetorical essay

What do you look at when you try to Analysis a speech rhetorically?
-The Situation.
-Historical context.
-The Speaker/Author
-The Speaker/Author’s intentions
-The Audience
-The Text
-The Message.

How is the Logos, Ethos, and Pathos are working in the Speech.