The excellent British historian, Arnold Toybee (1889-1975), studied the rise and fall of great empires in his 12-volume “A Study Of History“. He couldn’t find many common drivers for them. That’s why no-one could easily have predicted that the British would have the largest land empire of all time,the Mongols the second largest, and the Umayyads the fifth largest. But he did find Continue reading “What Causes Great Civilisations To Fail?”