H. M. Waldock C.M.G. O.B.E. Q.C., C. Keywords: Use of force | International relations | Mots clefs: Force | Relations internationales | ABSTRACT C. H. M. Waldock devotes his course to the regime of the use of force by States in international law. After presenting the issue in the light of international custom, he examines the regime established by the system of the League of Nations, and then the state of the issue under the Charter of the United Nations. He then focuses on the issue of legitimate-defense and self-def…