What do the physical injuries of the narrator and other soldiers in ernest hemingway's "in another country" represent?

They represent the psychological harm and loss caused by their experience in the war.

Explanation:

"In Another Country" is a short story written by Ernest Hemingway.

The story is set during the time of World War 1. In the story, wounded soldiers of the war are receiving treatment in Italy. The injuries of the soldiers in the story represents the psychological and emotional harm caused more than physical harm.

These soldiers are not just harmed physically but because of their wounds, they are isolated from the world in a number of ways.

The narrator is isolated because he is an American and the major suffers psychologically because he lost his wife. Their injuries also isolate them in their health.