The most accurate conclusion we can draw about how the writings of the Lost Generation were influenced by the great loss of life experienced during the First World War is:
They wrote literature in order to process their experiences of being involved in the war.
The Lost Generation, a term often used to describe a group of American writers who were disillusioned by the aftermath of World War I, produced literature that reflected their experiences, trauma, and the sense of loss that permeated their lives and society following the war.