How did ISIS Manage to Grow so Quickly?

I am not sure whether I should refer to them as the Islamic State or the Islamic State of Syria and Iraq or as IS or as ISIS because I do not know what they call themselves. They seem to have grown into what is a de facto state, controlling certain areas of Iraq and Syria. Under traditional rules of recognition the British Government (and many other governments) would have recognised them as a state once they controlled two thirds of the land that they claimed, but these days the international recognition of a state depends more on political convenience rather than practical rules. Continue reading