27
O’Connell, Ride of Second Horseman, p. 33
28
Chris Hedges, War is a Force That Gives Us Meaning (New York, 2003 ed.), p. 10
29
Theodore Nadelson, Trained to Kill: Soldiers at War (Baltimore, 2005), p. 64
30
Ibid., pp. 68–69
31
Hedges, War is a Force, p. 3
32
I. Eibl-Eibesfeldt, Human Ethology (New York, 1989), p. 405
33
Lt. Col. Dave Grossman, On Killing: The Psychological Cost of Learning to Kill in War and Society, rev. ed. (New York, 2009), pp. 3–4
34
Joanna Bourke, An Intimate History of Killing: Face to Face Killing in Twentieth– Century Warfare (New York, 1999), p. 67
35
Peter Jay, Road to Riches or The Wealth of Man (London, 2000), pp. 35–36
36
K. J. Wenke, Patterns of Prehistory: Humankind’s First Three Million Years (New York, 1961), p. 130; John Keegan, A History of Warfare (London, 1993), pp. 120–21; O’Connell, Ride of Second Horseman, p. 35
