In both these essays, "On the Indians" and "On The Laws of War", published here for the first time in Hebrew, Francisco de Vitoria lays down the foundations of international law as it is known today. De Vitoria develops for the first time concepts which will become the core of contemporary international law and international conventions, and in particular, participation in an unjust war, the ruler's personal responsibility for the decision about going to war, and the direct and indirect responsibility of subjects taking part in the hostilities. Both essays are firmly embedded in the debates of early modern Europe about the Law of Nature and the Law of Nations, and their impact on claims of European rulers to imperium and dominium (Imperial slugs and control) on overseas territories. In his wide-ranging Introduction to this book, Prof. Amos M egged places the two essays within the context and spectrum of the scholarly debates that were conducted at the major European universities during the early modern period, and provides the readers with a unique interpretation of the most distinctive themes in the essays, namely, the issue of human rights and international law, and presents personal insights on these aspects.