In this case, Andrew was using systematic desensitization, this is a psychological technique of cognitive-behavioral therapy. <span>It consists of exposing oneself to something</span> that causes fear in a systematic way as a means to overcome fear. Andrew faced his fear gradually and so he could overcome it. This technique helps in many different types of phobias.
I hope my answer can help you.
Answer:
Trench Weapons.
Grenades.
Underground Mining.
Artillery and Mortars.
Machine-Guns.
Poison Gas.
Rifles.
Tanks and Armoured Vehicles.
Because they wanted to preserve them good, because they wanted the person who died to look good for the afterlife.
:D Hope IT Helped :D