1. Martin Wight, Power Politics (Harmondsworth: Penguin, 1986), second edition, p. 23.
2. For a detailed description of the traditional realist perspective see Hans J. Morgenthau, Politics Among Nations. The Struggle for Power and Peace (New York: Alfred A. Knopf, 1960), p. 630.
3. A modern version of realism is presented in Robert O. Keohane, ed., Neorealism and Its Critics (New York: Columbia University Press, 1986).
4. See Adam Watson, “European International Society and Its Expansion”, in Hedley Bull and Adam Watson, eds., The Expansion of International Society (Oxford: Clarendon Press, 1992), p. 24.
5. John J. Mearsheimer, “Back to the Future. Instability in Europe After the Cold War”, International Security, Vol. 15, No. 1 (Summer 1990), pp. 52 and 55.