Original sentence: An advantage of terrain occurs when military personnel gain an advantage over an enemy utilizing, or simply in spite of, the terrain around them.It was likely of even greater concern for pre-industrial forces, as lack of mobility and first-generation warfare left soldiers very vulnerable to its effects.The ancient military strategist Sun-Tzu, for example, dedicated an entire chapter in his treatise The Art of War to terrain and situational positioning.While securing a terrain, advantage is an important consideration for modern commanders, particularly those engaged in unconventional tactics such as guerrilla warfare
Edited sentence: An Advantage of terrain occurs when military personnel gain an advantage over an enemy utilizing, or simply in spite of, the terrain around them.The ancient military strategist Sun-Tzu, for example, dedicated an entire chapter in his influential treatise The Art of War to terrain and situational positioning.While securing a terrain advantage is an important consideration for a modern commander, particularly those engaged in unconventional tactics such as guerrilla warfare, it was undoubtedly of even greater concern for pre-industrial forces, as lack of mobility and first generation warfare left soldiers very vulnerable to its effects