Catalogs various official interstate alliances signed from the Peace of Westphalia in 1648 through the early 21st century. This title showcases the effects of alliances on the region or international system, providing basic information, such as dates and member states, as well as essential insights on the conditions that prompted the agreement.

Resort to War utilizes Correlates of War data to analyze over 1,000 wars waged from 1816 to 2007. The editors highlight major patterns across eras and regions, including the advent of non-state ethnic wars, identifying which categories of war are becoming more or less prevalent over time, and connections between the different types of war. Based on authoritative, highly standardized, systematic coding methods, Resort to War is a definitive source for students and researchers examining patterns of international conflict; it is the essential guide to the data, trends, and context of these...