The correct answer is: It emphasizes that a generation of Americans struggled to recover from the brutality of the war.
The poem "Champs d'Honneur" by Ernest Hemingway highlights the harsh realities and traumas faced by soldiers during and after World War I. By depicting the physical and emotional suffering of soldiers, the poem reflects the struggles of a generation grappling with the aftermath of the war's brutality, which was a pervasive experience in the 1920s.