Plunder and power pretty much account for all of it.
BTW, one of the winning arguments in a "gun debate" is to note that in the 20th century the European firearms deathrate is several times that of the American firearms deathrate.
You only win arguments with the "murder" business if your opponent is ignorant of how people get killed ~ and despite the best efforts of TV to educate us, there continue to be people who have no imagination.
Jesus didn't see it that way.