From the ideas of Clausewitz to contemporary doctrines of containment and cold war, this is a definitive history of modern military thought. A one-volume collection of Azar Gat's acclaimed trilogy, it traces the quest for a general theory of war from its origins in the Enlightenment. Drastically re-evaluating B.H. Liddell Hart's contribution to strategic theory, the author argues that in the wake of the trauma of the First World War, and in response to the Axis challenge, Liddell Hart developed the doctrine of containment and cold war long before the advent of nuclear weapons. He reveals Liddell Hart as a pioneer of the modern western liberal way in warfare which is still with us today.