This book explores the development, character, and legacy of the ideology of liberal internationalism in late nineteenth and early twentieth-century Britain. Liberal internationalism provided a powerful way of theorising and imagining international relations, and it dominated well-informed political discourse at a time when Britain was the most powerful country in the world. Its proponents focused on securing progress, generating order and enacting justice in international affairs. Liberal internationalism united a diverse group of intellectuals and public figures, and it left a lasting...