1. BBC. 2008. “Afghanistan’s Turbulent History.” November 21. http://news.bbc.co.uk/2/hi/south_asia/1569826.stm .
2. Brown, Seyom. 2015. Faces of Power: Constancy and Change in United States Foreign Policy from Truman to Obama. New York: Colombia University Press.
3. Bush, George W. 2001. “Presidential Address to the Nation.” October 7.
4. Cooper, Helene, and Thom Shanker. 2012. “U.S. Redefines Afghan Success Before Conference.” New York Times, May 17. https://www.nytimes.com/2012/05/18/world/asia/us-redefines-afghan-success-before-conference.html .
5. Dobbins, James, John G. McGinn, Keith Crane, Seth G. Jones, Rollie Lal, Andrew Rathmell, Rachel Swanger, and Anga Timilsina. 2003. America’s Role in Nation Building: From Germany to Iraq. Washington, DC: RAND.