<span>He put a bullet through his brain. No one spoke of him again. This I would believe the answer to be, it talks about him never people never speaking of him again and no one caring for him anymore.
</span><span>If in some smothering dreams you too could pace </span>I believe that this means that the author just wants more people to remember the soliders.
Have a great day and I hope that my answer could help! If you need anymore help let me know or send me a dm.
