with Aragon. The Inquisition was ill-received by the Aragonese, which led to prohibitions against insults or attacks on it. Rome was particularly concerned that the Iberian peninsula's large Muslim and Jewish population would have a 'heretical' influence on the Catholic population. Rome pressed the kingdoms to accept the Papal Inquisition after Aragon. Navarra conceded in the 13th century and Portugal by the end of the 14th, though its 'Roman Inquisition' was famously inactive. Castile refused steadily, trusting in its prominent position in Europe and its military power to keep the Pope's interventionism in check. By the end of the Middle Ages, England, due to distance and voluntary compliance, and the Castile (future part of Spain), due to resistance and power, were the only Western European kingdoms to successfully resist the establishment of the Inquisition in their realms. Medieval Inquisition in Aragon Although Raymond of Penyafort was not an inquisitor, James I of Aragon had often consulted him on questions of law regarding the practices of the Inquisition in the king's domains since Penyafort was a canon lawyer and royal advisor. ...[T]he lawyer's deep sense of justice and equity, combined with the worthy Dominican's sense of compassion, allowed him to steer clear of the excesses that were found elsewhere in the formative years of the inquisitions into heresy. Despite its early implantation, the Papal Inquisition was greatly resisted within the Crown of Aragon by both population and monarchs. With time, its importance was diluted, and, by the middle of the fifteenth century, it was almost forgotten although still there according to the law. Regarding the living conditions of minorities, the kings of Aragon and other monarchies imposed some discriminatory taxation of religious minorities, so false conversions were a way of tax evasion. In addition to the above discriminatory legislation, Aragon had laws specifically targeted at protecting minorities. For example, crusaders attacking Jewish or Muslim subjects of the King of Aragon while on their way to fight in the reconquest were punished with death by hanging. Up to the 14th century, the census and wedding records show an absolute lack of concern with avoiding intermarriage or blood mixture. Such laws were now common in most of central Europe. Both the Roman Inquisition and neighbouring Christian powers showed discomfort with Aragonese law and lack of concern with ethnicity, but to little effect. High-ranking officials of Jewish religion were not as common as in