1. Allison, G., and Ferguson, N. 2016. Why the US President Needs a Council of Historians. The Atlantic, September 2016. https://www.theatlantic.com/magazine/archive/2016/09/dont-know-much-about-history/492746/. Accessed 5 Sept 2019.
2. Armitage, D. 2012. John Locke. In Empire and Modern Political Thought, ed. S. Muthu, 84–111. Cambridge: Cambridge University Press.
3. Arrighi, G. 2005. Hegemony Unravelling. New Left Review 32: 23–80. http://www.newstatesman.com/2013/10/americans-abroad. Accessed 6 Oct 2017.
4. Bacevich, A. 2017. Saving “America First”. Foreign Affairs 96 (5): 57–67.
5. Berlin, I. 2002. Two Concepts of Liberty. In Liberty, ed. I. Berlin, 166–218. Oxford: Oxford University Press.