Main group 1

• Iqbal, Zaryab, War and the health of nations, Stanford, Calif., Stanford University Press, 2010Compulsory*
• North, Douglass C.; Wallis, John Joseph; Weingast, Barry R., Violence and social orders: a conceptual framework for interpreting recorded human history, Cambridge, Cambridge University Press, 2009Compulsory*
• Pinker, Steven, The better angels of our nature: why violence has declined, New York, Viking, 2011Compulsory*

* Compulsory