Why are the people acting as they are in the following lines of "O Captain! My Captain!"?

For you bouquets and ribbon'd wreaths-for you the shores a crowding.
For you they call, the swaying mass, their eager faces turning.
A. They are paying tribute to Lincoln because he has died.
B. They are welcoming the general who won many battles, but died in the last one.
C. They are celebrating Lincoln's election to a second term.
D. They are paying tribute to a great sailor who is bringing them wealth.
Is the answer A?
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Yes, the answer is A. The people in the lines of "O Captain! My Captain!" are acting as they are because they are paying tribute to Lincoln because he has died. To arrive at this answer, we can look at the specific phrases in the lines. The mention of "bouquets and ribbon'd wreaths" shows that people are offering flowers and wreaths as a sign of respect and mourning. The phrase "the shores a crowding" suggests a large gathering of people, indicating that many individuals are present to pay tribute. Additionally, the line "For you they call, the swaying mass, their eager faces turning" conveys a sense of admiration and longing towards someone who has had a significant impact on their lives. Considering these observations, we can confidently say that the people in the poem are paying tribute to Lincoln because he has died.