It is known that during the first world war hundreds of thousands of soldiers were very heavy drinkers, according to experts, to lift their morale, or for fear, or even trying to find an excuse to do something which in other "NORMAL"? circumstances would be impossible to do or even think, its to say, kill somebody that you don't even know for no special reason whatsoever, just because somebody ordered you to do it? and if you didn't do what they said, they either killed you themselves or throw you into prison and in the name of who and why should one kill? even if you were paid millions would that be a good excuse? of course not!!, but that's whats behind all wars, economic interests, but not your own individual interest as a human being trying to live in peace and not harming absolutely nobody, all armies represent those in "power"? and not the interest of oneself, and there can never be an excuse to kill another human being for economic reasons no matter how they try to justify such a terrible act.
(images -google)