What has been included?

Consider the selection of words/volucabulary in this poem. Why have specific words been chosen?How do the words affect our understanding of what is taking place?

Monstrous- “Only the monstrous anger of the guns.” The word monstrous has been selected in this sentence because it shows the shots are loud and are the only thing noticeable all the loud angry gunshots. It represents the fury of the people firing shots BANG BANG BANG 1 shot after another.