Answer :
We were all a little detached, and there was
nothing that held us together except that we met every afternoon at the
hospital. Although, as we walked to the Cova through the tough part of
town, walking in the dark, with light and singing coming out of the
wine-shops, and sometimes having to walk into the street when the men
and women would crowd together on the sidewalk so that we would have had
to jostle them to get by, we felt held together by there being
something that had happened that they
The answer to the question above would be that the sentences in this excerpt from Ernest Hemingway's "In Another Country" that reflect the theme of the psychological alienation caused by war are the following ones: "We were all a little detached, and there was nothing that held us together except that we met every afternoon at the hospital". (...)"We felt held together by there being something that had happened that they, the people who disliked us, did not understand".
Alienation refers to a man being alone in a hostile universe all by himself. Nobody who has not gone through a war can understand how soldiers and civilians who have been in a war zone feel. Hemingway refers to the war as "something that had happened that they, the people who disliked us, did not understand".