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Which sentences highlight the psychological consequences of war?
In winter trenches, (cowed and glum,
With crumps and lice and lack of rum,
He put a bullet through his brain.
No one spoke of him again.)
(Wilfred Owen, "Dulce Et Decorum Est")

Men marched asleep. (Many had lost their boots
But limped on, blood-shod. )All went lame; all blind;
Drunk with fatigue; deaf even to the hoots
Of tired, outstripped Five-Nines that dropped behind.
(Gas! Gas! Quick, boys!–An ecstasy of fumbling,)
(Siegfried Sassoon, "Suicide in the Trenches")