What is the importance of war in the book, Z: A Novel of Zelda Fitzgerald?

As both World War I and II are present in the setting of the novel, Zelda’s sees the devastation they both cause, and thus war comes to be a symbol loss. In the beginning of the novel, World War I is a constant and looming threat over the peacefulness Zelda and her family enjoy. When Scott is stationed in France, Zelda herself feels the loss that war causes for the first time. Though her misery is short lived, as the war comes to an end soon after Scott leaves, Zelda is disheartened at the prospect of what loss World War II will bring when it begins later in her life.