translate English to French: He begins with the problems of many hands, that is the contributions of many people that makes accountability difficult to determine, and explores four solutions (corporate, hierarchical, collective and individual accountability) from normative, empirical and practical perspectives.
Il s’attaque d’abord aux problèmes découlant des contributions multiples qui rendent difficile l’attribution de la responsabilité et il explore quatre solutions (la responsabilité globale, hiérarchique, collective et individuelle) dans des perspectives normative, empirique et pratique.