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?
Thank you

2 answers

Right again.

Thank you again:-)