How does irony convey meaning within the fourth stanza of this poem?

Frustrated pride may lead to spite just as loyalty may lead to vengeance and a eagerness for glory may turn into greed explain how each creature beowulf battles represents as extreme and dangerous form of warrior values and behavior

Where would this passage most likely be found?

Read the passage from i know why the caged bird sings what is the most likely reason author maya angelou included this passage