The Catholic religion.
They were either converted or slain.
The people persecuted in the Spanish Inquisition were "New Christians", which is to say Jews and Muslims who converted to Christianity in order to continue living in Spain (since Judaism and Islam were banned), but who were believed to be secretly practicing their faith of birth. Hundreds of thousands of Jews and Muslims who converted to Christianity were persecuted. Later, the Spanish Inquisition also persecuted Protestant reformers.
Prevent the introduction of Protestant religions
Often, torture was used to punish and kill people deemed heretics during the Spanish Inquisition. Different forms of torture that often resulted in death included starvation, excessive consumption of water, or burning coals.
During the Middle Ages, heretics were individuals who held beliefs or practices that were deemed to be contrary to the teachings of the Christian Church. They often challenged the authority of the Church and its doctrines, leading to accusations of heresy. The punishments for heresy varied, but they could include excommunication, imprisonment, fines, or even execution. The Inquisition was often responsible for identifying and punishing heretics during this time.
Torture was often used to punish and eventually kill heretics during the Spanish inquisition. Many inquisitors would starve their inmates, force them to consume vast amounts of water, or heap burning coals onto them. Other inquisitors would use a strappado or a rack to torture and eventually kill accused heretics.
The Spanish Inquisition.
During the Middle Ages Jews were tolerated by the Catholic, although reluctantly and with a blind eye to their persecution. Muslims and so-called heretics were considered an existential threat and were never tolerated. The Albigensian Crusade and the Inquisition were the Church's response to the rise of Catharism in Spain and southern France.
King Ferdinand was the king during the Spanish Inquisition.
The victims of the Inquisition primarily included heretics, Jews, Muslims, and later Protestant reformers, who were accused of holding beliefs contrary to the teachings of the Catholic Church. Many were subjected to torture, imprisonment, and execution, particularly during the Spanish Inquisition, which sought to maintain Catholic orthodoxy. Additionally, intellectuals, scientists, and anyone deemed a threat to religious or societal norms could also fall victim to its scrutiny and persecution. Overall, the Inquisition targeted those perceived as challenging or threatening the religious authority of the Church.
Tomas de Torquemada hid a clue in Victor Falls for the 39 Clues series. He was a powerful Grand Inquisitor during the Spanish Inquisition and was known for his ruthless tactics in dealing with heretics.
The Inquisition was controlled by the Roman Catholic Church- there was both a Roman Inquisition, and a Spanish Variant.