The correct answer is: It emphasizes that a generation of Americans struggled to recover from the brutality of the war.
This poem reflects the harsh realities and trauma experienced by soldiers during and after World War I, highlighting the physical and emotional scars left by the conflict. The imagery of suffering and death conveys the profound impact of the war on those who fought in it and suggests a struggle to cope with the aftermath of such brutality, which aligns with the broader sentiment of a generation grappling with the consequences of the war in the 1920s.