Consider the poetic techniques of “Oh Captain! My Captain!” List at least three techniques, including the rhyme or rhythm of the poem and explain how they express the message and theme of the poem.

One poetic technique used in "Oh Captain! My Captain!" is extended metaphor. The captain in the poem represents Abraham Lincoln, and the ship represents the United States. This metaphor helps to convey the speaker's deep sense of loss and mourning for Lincoln's death, as well as his admiration and respect for the president.

Another technique used in the poem is repetition. The phrase "Oh Captain! my Captain!" is repeated throughout the poem, emphasizing the speaker's sorrow and reverence for Lincoln. This repetition also helps to create a sense of rhythm and unity in the poem, reinforcing the theme of honor and devotion to a leader.

Additionally, the rhyme scheme of the poem (AABCCB) helps to create a sense of harmony and balance in the poem. The regular rhyme scheme and meter contribute to the overall elegiac tone of the poem, conveying the speaker's grief and admiration for Lincoln in a structured and organized way.