A hundred years later, British historians of the ‘dire necessity’ school still assert that Britain’s Great War should be remembered simply as a harsh reality that had to be faced. They insist that nothing other than a righteous war against German militarism was conceivable in 1914. They plead for the old sugary verities to be reasserted – that Britain was in the right, that Germany was in the wrong, that the cause was just, and that it was a stand-tall moment –…