The Western Front was a major theater of operations during World War I, stretching from Belgium to Switzerland. The fighting on the Western Front was characterized by trench warfare, which involved soldiers living in dugouts and fighting from trenches. Trench warfare was a new form of warfare that had not been seen before in history. It was a very bloody and costly form of warfare, with millions of soldiers killed and wounded. The fighting on the Western Front was also characterized by the use of new technologies, such as machine guns, tanks, and airplanes. These new technologies made the fighting even more deadly.