the organization of the fourth council, the Council of the Inquisition. The Sovereigns appointed a grand inquisitor as its president, and three ecclesiastics and two doctors of law assisted him. The Sovereigns eventually lost control over this council and had to yield to it. Sovereigns were justice itself, and therefore they made and applied the law. They saw themselves as the supreme judge and the redresser of wrongs. In the area of justice, their, mainly Isabella's, study of Roman Law led them away from na!
             tional customs and national laws when they simplified the laws for the benefit of the people.
             When Spain conquered Granada in 1492, Isla
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