In Western Europe and North America the idea that war can deliberately be used as an instrument of policy has become unfashionable, not least because of the unsatisfactory outcomes of two World Wars and the Americans' humiliating experience in Vietnam. But wars are still fought. Those who start them clearly believe they are worthwhile. Why? In this original and provocative study, Brian Bond examines the successes and failures of military and political leaders involved in the pursuit of victory over the last two centuries, and warns against complacency for the future.