<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.
Answer
Why was the Civil War fought, and what did it settle? It was fought over the issue of national supremacy versus states' rights. It settled that the national government was supreme, its sovereignty derived directly from the people, and thus the states could not lawfully secede from the Union.
Explanation: