Answer:
Algunos de los ideales que guiaron la lucha de Nelson Madela fueron equidad y justicia, servicio, dignidad y no racialismo.
Explanation:
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.