How does this quotation express the idea of a “Lost Generation”?

The correct answer is It expresses a hopelessness about life.

Gertrude Stein, who invented this term, used it to name a group of artists who were in France in the final years of the First World War, using the country as a refuge for their creative manifestations, philosophical discussions and literary creations. The Lost Generation became popular in a Hemingway novel called The Sun Also Rises and in his memoir, A Moveable Feast.

Although formed by several artists, the group was best known for the literary works that it produced in the period. On the list of famous authors of the Lost Generation are T. S. Eliot, John Dos Passos, Waldo Peirce, Sherwood Anderson, Ezra Pound, F. Scott Fitzgerald and Ernest Hemingway. In addition to them, another personality mentioned as part of this generation is James Joyce, who has his novel Ulysses as one of the most important at this time. Within this generation, there is a lot of influence of jazz on literary compositions, as this musical style was emerging in the United States and influencing other countries.