PLEASE HELP I THINK THESE ARE THE ONES BUT I'M NOT SURE

How did the changing technology impact strategies and decision making along the western front? (Mark all that apply) Generals often used new technologies like the airplane and zeppelin to spy on enemy movements from overhead Generals often used outdated strategies, such as charging through an open field into machine gun fire Tanks finally enabled some protection in no man's land allowing troop movement and loosening some of the deadlock on the western front Some aerial combat began to take place by the end of the war. 2 Generals failed to equip their own troops with new technology.​