<b><b>“<i>Why We Fight</i> reflects Blattman’s expertise in economics, political science, and history… Blattman is a great storyteller, with important insights for us all.” —Richard H. Thaler, winner of the Nobel Memorial Prize in Economic Sciences and coauthor of <i>Nudge</i><br><br>“Engaging and profound, this deeply searching book explains the true origins of warfare, and it illustrates the ways that, despite some contrary appearances, human beings are capable of great goodness.”—Nicholas A. Christakis author of <i>Blueprint: The Evolutionary Origins of a Good Society</i><br><br></b></b>Despite the Russian invasion of Ukraine or the fear of another American civil war, most of the time wars don’t happen, and of the millions of hostile rivalries worldwide, only a fraction erupt into violence. At this moment of crisis in world affairs, this necessary book from a seasoned peacebuilder and acclaimed expert in the field lays out