An invaluable guide to international relations and diplomacy, covering the international system, crises and meetings, policies and doctrines, force and diplomacy, common international space and diplomatic relations. This guide is designed to make it easy for students of every kind to access the necessary historical and contemporary information to help with their study of the evolution and current functioning of the international and global system. It provides information about the institutions, mechanisms and practices which support the conduct of international and global affairs. In addition, it gives an account of their evolution of almost two hundred years of history, from 1815 to the present.