Answer: 1.D. Non fiction novel, 2.B. The horrors of World War I
Step-by-step explanation: The genre of writing that was invented during the postmodernist movement was the nonfiction novel. Modernist writers were mainly reacting to the horrors of World War I.
The nonfiction novel is about actual events that happened to actual people told in the form of a novel.
Modernist writers, feel loss, alienation, and despair due to the horrors of World War I. There is no absolute truth and all things are relative.