The poem, "O Captain, My Captain", is an extended metaphor that shows how Americans felt after the assassination of President Lincoln. Identify a description that makes this comparison clear, and explain how it helps the author achieve his purpose of honoring Lincoln. Make sure that you add the paragraph to the annotation. Use the following questions to help you compose your paragraph (6-8 sentences).

What is the description of the extended metaphor?
How does the author achieve his purpose of honoring Lincoln?
What specific evidence supports your responses?