principal+person
131Europe, history of — Introduction history of European peoples and cultures from prehistoric times to the present. Europe is a more ambiguous term than most geographic expressions. Its etymology is doubtful, as is the physical extent of the area it designates.… …
132agent — n 1: someone or something that acts or exerts power: a moving force in achieving some result 2: a person guided or instigated by another in some action where the heads of departments are the political...agent s of the executive, merely to execute …
