Fawcett, J.E.S. Keywords: Intervention | Use of force | International relations | Mots clefs: Intervention | Relations internationales | ABSTRACT J. E. S. Fawcett points out in the introduction to his course that intervention is an old political custom and perhaps even a political necessity. The author’s task is to describe and compare some recent intervention cases (in 1961) and to see what they clarify the rules governing the intervention and what the limits are. After general considerations on the intervention, …