Tom asks Huck to take a shirt from the clothesline which Jim can use as a journal while he is in prison. Huck is surprised, because Jim can't even write.
Thornton Wilder expected the audience to feel nostalgic about the setting of Grover's Corners. This event is taken from the "Our Town" play created by Thornton Wilder which tells about a town named Grover's Corners. In the opening scene, the stage manager intends to makes the audience feel nostalgic because he wants to tell them about the town's history. Grover's Corners is described as a small town that does not have big landmarks.
To survive and not getting in trouble and trying to find his way home
If I’m understanding the question it uses both metaphors and alliteration in the poem which is uncommon because most poetry uses typical one literary device and not multiples at the same time