Answer: they could think that you meant something different
Explanation: like you could say i hate you but if you say it in the wrong tone
they could think you actually hate them which could be bad
In this poem, Pound is comparing "faces in the crowd" to petals that are laying against a tree branch.
This is exactly what he says in the poem - "petals on a wet, black bough." A bough is the main branch of a tree, so this is definitely the only appropriate answer in this case. He wants to say that people resemble these petals.
Answer:
It leads to Judson drinking poisoned whiskey.