This work investigates the extent to which global agrarian production and consumption patterns served as the primary catalyst for the geopolitical tensions and strategic decisions of World War I. Avner Offer, an economic historian, utilizes a vast array of trade data, agricultural statistics, and diplomatic records to argue that the transition from domestic food security to reliance on overseas imports fundamentally altered the defense strategies of both Britain and Germany. By examining the intersection of food supply chains and national security, the author provides a framework for understanding how agricultural power dynamics influenced the moral and legal conduct of total war.

Historians frequently cite this text as a foundational study for understanding the material conditions that underpinned the conflict. Scholars note the rigorous integration of economic data with traditional diplomatic history, making it a standard reference for those studying the intersection of food security and international relations.