Ah, dear father, graybeard, lonely old courage-teacher, what America did you have when Charon quit poling his ferry and you got out on a smoking bank and stood watching the boat disappear on the black waters of Lethe?

The speaker addresses Walt Whitman as a beloved older poet and asks what America he saw as he crossed into death. The image of the boat disappearing on the dark waters suggests that Whitman’s America belongs to the past, and the speaker feels separated from it. This expresses sadness that he will never experience the same America Whitman knew, rather than hope that the past can be restored.

AI-written and checked against the verified answer.