Ernest Hemingway's works were influenced by a variety of experiences, including his service in World War I as an ambulance driver and his encounters with life's challenges. His time in Europe during the war and later in the Roaring Twenties exposed him to themes of heroism and disillusionment, which permeate his writing. Hemingway’s understated style, known as the iceberg theory, emphasizes subtext and emotional depth, representing broader human experiences. His struggles with personal *issues later in life, including mental health and relationships, further informed his portrayal of masculinity and the human condition in his literary canon.