Major contribution to the history of international thought, contributes to debates around the ethics of war, the rise of the modern state, the sociology of war, and the theory of international relations.
A significant influence on Tolstoy's book of the same title and on the writing of George Sorel and modern French sociology.
This book widens and deepens our understanding of the history of anarchist thought and the work of Proudhon himself, of which very little has been translated.