Four and for the first one
Giving his opinion on what should be done of something he wants to do
In his "Letter from a Birmingham Jail", Martin Luther King Jr. resort to Socrates to highlight his practice of a fair form of civil disobedience and non violence, as a symbol or analogy to back up his interjection outlining the urge of awakening from the "dark depths of prejudice and racism" of society at that time.
Answer:
it really gets the reader thinking
