At Cold War's end: peacemaking and the emergence of groups -- The first friends : friends of the secretary-general for El Salvador -- Friends and the "ripening" of peace in Guatemala -- Principal friend : the United States and the long haul in Haiti -- The Georgian-Abkhaz conflict : friends and the anomaly of Russia -- Self-determination and realpolitik : the story of western Sahara -- East Timor and the core group : a question of timing -- Groups and the variable geometry of UN peacemaking -- Conclusions