Which two parts highlight the psychological consequences of war?

The answer is "In winter trenches,cowed and glum,with crumps and lice and lack of rum,he put a bullet through his brain.No one spoke to him again."(Willfred Owen,"Dulce Et Decorum Est".)

As it takes about a soldier battling with his own psycholigical trauma and on the brink of suicidal thoughts and depression.

unrelated sentences to be eliminated?

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