context: Trench warfare is a form of warfare, fighters take fortified positions and combat lines are rigid and extended as trenches, so they are called trench warfare. The reason for the emergence of trench warfare is the failure to match maneuvering techniques with a revolution in firearms technology. Most of the time, trench warfare refers to a war of attrition. World War I may be one of the most famous examples of trench warfare. Trench fighting is combat that takes place in extended and extended trenches, where forces are secured from hostile light firearms and protected from artillery, and trench fighting or trench warfare has become a model of war of attrition.
question: What is trench warfare?
answers.text: form of warfare, fighters take fortified positions and combat lines are rigid and extended as trenches, so they are called trench warfare