1. Truman Inaugural Address, January 20, 1949 (2017) Trumanlibrary.Org. Accessed 5 Dec 2017. https://www.trumanlibrary.org/whistlestop/5
2. Truman Inaugural Address, January 20, 194 (2017) Trumanlibrary.Org. Accessed 5 Dec 2017. https://www.trumanlibrary.org/whistlestop/5
3. Tarnoff C, Lawson ML (2016) Foreign aid: an introduction to US programs and policy. Library of Congress Washington DC Congressional Research Service. https://fas.org/sgp/crs/row/R40213.pdf
4. National Security Strategy (2002). Nssarchive. Accessed 6 Dec 2017. http://nssarchive.us/wp-content/uploads/2015/02/2015.pdf
5. National Security Strategy (2015). Nssarchive. Accessed 6 Dec 6 2017. http://nssarchive.us/wp-content/uploads/2015/02/2015.pdf