Techniques for anthem for doomed youth?

the techniques used in the poem anthem for doomed youth is shown in the first stanza where Wilfred Owen writs

"bells for those who die like cattle"

in this sentence it contrast with a normal funeral ceremony and death at a battlefield where no one cares if you die

in this Poem the poet also discusses the multitude of people being slaughtered the rhetorical question Wilfred Owen has asked has a lot of dramatic effect on the poem the techniques used in The poem are

onomatopoeia (rifles rattle)

alteration sad shires

compare and contrast

rhyming Words rhetorical questions