The term Lost Generation was introduced by Gertrude Stein after the First World War. It relates to generations who, as young people, have experienced all the horrors of war, and have changed their attitudes in an unforeseen manner. They become volatile with lack of motivation, lost direction and purpose in life. The very expression of Lost Geneartion became popular in literature, when Ernest Hemingway was included it in his work The Sun Also Rises.
The answer is c. literature
