What is the author purpose in this passage

The excerpt is from a longer essay on huckleberry finn by mark twain. what kind of support is used to develop the writer's main idea regarding how twain brought his characters to life?

How does nunez end up in the country of the blind

How is the consumption of food used as a symbol in the play? what does food stand for in the play? how does oscar wilde use symbolismin his social commentary? use examples from the play to support your answer.