WILLIAM MULLIGANnbsp; is Lecturer in Modern History at University College Dublin, Ireland. He is the author of The Making of the Modern German Army: General Walther Reinhardt and the Weimar Republic (2005) and The Origins of the First World War (2010). nbsp; BRENDAN SIMMSnbsp; is Professor of the History of European International Relations, University of Cambridge, UK. He is the author of several works on geopolitics such as The Impact of Napoleon (1997), The Struggle for Mastery in Germany (1998), Unfinest Hour: Britain and the Destruction of Bosnia (2001) and Three Victories and a Defeat: The Rise and Fall of the First British Empire (2007)