Bourquin, Maurice Keywords: International peace and security | Use of force | International relations | Mots clefs: Sécurité internationale | Force | Relations internationales | ABSTRACT Maurice Bourquin notes in the introduction to his course that the problem of security takes on an almost obsessive look in the quiet and confused world of the post-war period. Its influence acts on all the great international negotiations, and since it was implemented, the League of Nations has seen it emerge at every turn of the road. W…