Mearsheimer is one of the leading exponents of offensive realism, the theory that international politics has always been, and will presumably remain, ‘a ruthless and dangerous business’. In the absence of a world government that could protect the weak from the strong, all states seek as much power as possible: there is no better way to ensure their own survival. So says the offensive realist.The author goes on to explain that, to Russia, the Crimea is such "sacred" land.
... At the same time, it is clear that more is at stake in international politics than naked geopolitical calculus. One limitation common to most realist theories is their assumption that states act as purely rational agents, coldly calculating the course of action that would yield the highest material advantage. In fact, state policy is often influenced by seemingly irrational considerations. No truly rational utility-maximiser could take something such as ‘national honour’ seriously, yet states frequently do.
... When they want to investigate conflict, game theorists have long turned to the classic ‘hawk-dove’ game. ‘Doves’ are individuals who never fight. If attacked, they run away. ‘Hawks’, on the other hand, are always ready for violence and will attack anybody who has something that they want. In a country populated by meek doves, the hawk strategy does very well. But as hawks become more numerous at the expense of doves, they spend more and more time fighting and killing each other.
There is, however, a simple modification of the hawk strategy that is superior to both hawks and doves: playing ‘bourgeois’. First, you declare a resource item – a herd, a piece of cropland – as your private property (hence the ‘bourgeois’ designation). Then you signal that you are willing to defend it no matter what it takes. Again, this is not rational in the narrow sense. You must be willing to escalate conflicts to the point where your life is at stake, even though your life is worth incomparably more than the disputed property. But again, in evolutionary terms, the strategy is a winner. While the hawks overreach, getting embroiled in self-destructive conflict, the bourgeois steadily divide the spoils among themselves, fighting only to defend their property against hawks. In the long run, the bourgeois always replace the hawks.
What does this mean for the seeming irrationality of states? Well, typically, they fight over territory. Land supports a population, which provides the state with taxes and army recruits. It can also have strategic value, if it allows the state to project power or control a choke point. And, of course, states are essentially territorial entities: without land, they are nothing.
States often behave in an opportunistic manner, grabbing real estate when they can and giving it up when the cost of holding it becomes too great. ... This kind of behaviour is well-described by realism. However, most states, historical and modern, also put some territory into a special category, one that is not subject to rational geopolitical calculation. Such land is ‘sacred’. It must be held at all costs.
Here we find an obvious manifestation of the bourgeois strategy in the hawk-dove game. States and populations that are willing to escalate conflict as far as necessary in defence of their sacred lands are more likely to persist in the international arena. Those that treat their core territory in a rational manner – forfeiting it in accordance with strategic imperatives, as, for example, several Germanic tribes did repeatedly during the Migration Period – get wiped out. As a result, we observe the coevolution of geopolitics and what the anthropologist Scott Atran has identified as ‘sacred values’. Geopolitical assets acquire an aura of sanctity.
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