The poem, generally, is about the Civil war and the death of President Abraham Lincoln, who is the Captain. The author talks about the victory when he asks for the captain to "hear the bells", which is most likely a reference to the bells of liberty, but he is prevented to celebrate too long because he is mourning President Lincolns's death since they're bringing flowers to the captain of the ship (the President of the United States).
Answer:
The people of the country are celebrating Lincoln’s victory.
Explanation:
