they sent them into battle with understandto try to what was making them tick, why they did the things they did. this is a photo of one of the scholars who is right at the front line interviewing some soldiers who had just come out of combat, trying to understand what it was that was making the soldiers repeatedly expose themselves to combat. in the 20th century, they have taken on two questions here and broken them into three different categories. it is to try to explain each piece of this puzzle. factorsal motivations, that get you to join the army in the first place. sustaining mode of a kit -- sustaining motivation, factors that hold the army together during a months or weeks long campaign. and then combat motivation, what makes soldiers get out and face enemy fire, sometimes over and over again. explore each of these pieces as they pertain to the army in the 19th century. i have spent most of my professional career said -- studding soldiers and their experiences under fire. it is difficult to say that one kind of combat is worse than another am a because they are all amazingly ter