According to Dikhanov, economic inequalities divide the world. He estimates a scenario for 2015, trending in global income distribution for 1970 to 2000, indicating that the richest one fifth of the world’s population will hold four fifths of the wealth and the poorest one fifth will have a share of about 2%. This bottom fifth is further divided by race, ethnicity, immigration, and gender. The World Bank overview on reducing poverty indicates that the number of low-income people was reduced from 66% in 1990 to 35% in 2012 and that over 2.1 billion people in the developing world lived on less than $3.10 a day in 2012. Global poverty may seem to be decreasing, but conflict and violence are on rise.

Although the distinctions between war, ...