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.
A church court which investigated, tried and convicted heretics was the Inquisition.Roman Catholic AnswerThe Inquisition.
Catholic viewed them as not belong to the group.They sin a sacrilege and they deny the teaching of the church as an infallible teaching.
.Roman Catholic AnswerMost of the people who protested against the Church in the sixteenth century were heretics and apostates. Today they are, more politically correct, known as "protestant reformers" by those who followed them.
The Albigensians, the Cathars, and John Calvin were all Catholic heretics who left the Church.
According to the Catholic Church, members of the orthodox Churches are technically schismatics, because they do not recognize the pope but have the same basic beliefs. Protestants are technically heretics because they do not believe certain doctrines of the Catholic Church.
You have the Roman Catholic Church, Protestants, Jewish and Muslims, the Roman Catholic Church is the majority.
Catherine de Medicis most definitely supported the Catholic Church against the heretics.
Inquisition
John Calvin's theories did not affect the Chuch - just as many heretics who preceded him did not affect the Church.
There were never any slips of paper sold by the Catholic Church to ensure salvation. You are thinking of a lie which has been perpetuated by the heretics who revolted agains the Catholic Church in the sixteenth century and started the protestant movement.
Catholics called them heretics, they called themselves protestants.
.Catholic AnswerThe Coptic cross was adopted by early gnostic heretics, and is now a symbol of the Orthodox Coptic Church. I would discuss this with my confessor.