This book explores the history of the international order in the eighteenth and nineteenth century through a new study of Emer de Vattel's Droit des gens (1758). Drawing on unpublished sources from European archives and libraries, the book offers an in-depth account of the reception of Vattel's chief work. Vattel's focus on the myth of good government became a strong argument for republicanism, the survival of small states, drafting constitutions...