It wasn't and never did become secular.
You would be better asking what secular movement did not criticize the Catholic Church, the list would be a lot shorter.
The Catholic Church a religious institution, as such it is the opposite of a secular institution. It's just Catholic, not Roman Catholic. Roman is an epithet first commonly used in England after the protestant revolt to describe the Catholic Church. It is never used by the official Catholic Church.
dont know
.Catholic ChurchCatholic means "universal" and has been applied to the Church that Our Blessed Lord founded since the first century, although the first time we have it in writing is at the end of the first century. It has been included in the Apostle's Creed, and the Nicene Creed from the beginning.
It decreased the Roman Catholic Church's power and authority.
No they can't :)
why did the pope in the 17th century and the catholic church not like withches
Roman Catholic AnswerThe Catholic Church is under God, and His Vicar on earth: the Pope in Rome. The Church has never been subject to any secular king.
No, a diocese is not secular. It is a geographical grouping of parishes under the jurisdiction of a bishop in the Catholic Church.
Roman Catholic AnswerNo, when the Philippine Independent Church started up at the beginning of the twentieth century, the Vatican instructed the Archbishop of the Philippines to excommunicate everyone involved. The Philippine Independent Church is just another protestant church that left the Catholic Church, although they maintain a Catholic structure, but they have rejected the Holy Father in Rome, and made common cause with the Anglicans - a protestant church that started in a similar way as the "Catholic" national Church in England.
.Catholic AnswerNobody started the Catholic Church in the sixteenth century, it had been doing fine for sixteen centuries since Our Blessed Lord started it in the first century.
No, however, the church in England was Catholic up until the protestant revolt in the sixteenth century when the Church of England was created.