Political realism in essence reduces to the political-ethical principle that might is right. The theory has a long history, being evident in Thucydides’ Pelopennesian War. It was expanded on by Machiavelli in The Prince, and others such as Thomas Hobbes, Spinoza, and Jean-Jacques Rousseau followed (the theory was given great dramatical portrayed in Shakespeare’s Richard III). In the late nineteenth century it underwent a new incarnation in the form of social darwinism, whose adherents explained social and hence political growth in terms of a struggle in which only the fittest (strongest) cultures or polities would survive. Political realism assumes that interests are to be maintained through the exercise of power, and that the world is characterised by competing power bases. In international politics, most political theorists emphasise the nation state as the relevant agent, whereas Marxists focus on classes. Prior to the French Revolution in which nationalism as a political doctrine truly entered the world’s stage, political realism involved the political jurisdictions of ruling dynasties, whilst in the nineteenth century, nationalist sentiments focused realists’ attentions on the development of the nation-state, a policy that was later extended to include imperialist ambitions on the part of the major Western powers-Britain and France, and even Belgium, Germany and the United States were influenced by imperialism. Nationalist political realism later extended into geo-political theories, which perceive the world to be divided into supra-national cultures, such as East and West, North and South, Old