David versus Goliath, that’s why a small nation can get a great invader into trouble

LONDON – It could be called the theory of David versus Goliath: when a great power attacks and invades a smaller nation with the aim of conquering it, it is generally the small nation that prevails. A rule highlighted by Gideon Rachman, a columnist for the Financial Times, about the war between Russia and Ukraine, as well as in biblical times by the giant Goliath against the little shepherd armed with a sling.