Poem questioning war.?

Question

The poem questions the purpose of war. You may have read it in high school (I know I did). The narrator is a soldier that spots an enemy. He thinks that had they met under different conditions they could be the best of friends ... something about drinking together in a pub ... and somewhere in the poem it mentions or makes a suggestion of being the first shooter.
Help me find the title, author, or link to this poem.

It's a classic poem.

Answer 1

TS Elliot's The Waste Land

No, I don't think that's right... I'll figure it out. I have it, but it's in my room, and hubby's asleep.

Found It!
Thomas Hardy- "The Man He Killed":

Had he and I but met
By some old ancient inn,
We should have set us down to wet
Right many a nipperkin!

But ranged as infantry,
And staring face to face,
I shot at him as he at me,
And killed him in his place.

I shot him dead because--
Because he was my foe,
Just so: my foe of course he was;
That's clear enough; although

He thought he'd 'list, perhaps,
Off-hand like--just as I--
Was out of work--had sold his traps--
No other reason why.

Yes; quaint and curious war is!
You shoot a fellow down
You'd treat, if met where any bar is,
Or help to half a crown.