This book investigates the diverse ethical frameworks that inform international relations. It examines how distinct moral traditions approach core issues such as national self-determination, the use of force, and global justice, presenting a comprehensive overview of the varied languages available for ethical debate in international affairs. Written by leading specialists, it details the central concepts, premises, vocabulary, and historical development of each tradition, offering insights into their internal tensions and points of agreement. The work serves as an essential resource for students and specialists in international affairs, moral philosophy, and theology.

This work is presented as an invaluable source for students and specialists in international affairs, moral philosophers, and theologians. Its encyclopedic approach allows for a thorough understanding of the range of ethical reflection on international issues. The book is structured to facilitate the identification of both internal conflicts within traditions and points of convergence or divergence between them. It aims to provide a comprehensive survey of the diverse moral languages used in international debate.