_:vb6807934 "2013 July 20, \u201COld soldiers?\u201D, in The Economist, volume 408, number 8845:"@en . _:vb6807934 "Whether modern, industrial man is less or more warlike than his hunter-gatherer ancestors is impossible to determine. The machine gun is so much more lethal than the bow and arrow that comparisons are meaningless."@en .