This poem depicts the poet's attempt to motivate himself when their is no hope at all, when the poet writes this poem he has already lost one of his legs. So, in such a situation of mental and physical agony, the poet tries to lift up his courage.
I believe the answers here are both 3 and 4: <span>Miss Maudie invites the Robinson family to her house. -Mr. Underwood writes an editorial criticizing the verdict