What was Whitman’s “O Captain! My Captain!” an extended metaphor for?

Here is the question :

WHAT WAS WHITMAN’S “O CAPTAIN! MY CAPTAIN!” AN EXTENDED METAPHOR FOR?

Here is the option for the question :

• World War I
• The death of Abraham Lincoln
• The sinking of the Titanic
• Whitman’s time in the Navy

The Answer:

And, the answer for the the question is :

Explanation:

[STC0018112]. The poem “OCaptain! My Captain!” was included in Walt Whitman’s 1865 collection of poetry titled “Sequel to Drum-Taps,” which was influenced by the American Civil War. It combines the victory of winning the war with the loss of the Captain, President Abraham Lincoln, and is likely his most well-known poetry. It won over Americans’ hearts and became a beloved ode to the President who was slain.