There are many answers to your question, without being more specific, I'm just shooting darts at a wall. However, one answer would be that the Council of Trent which was formed for the purpose of strengthening the Catholic Church, at the time of the protestant revolt.
The Inquisition.
That would be the SPANISH INQUISITION, which was instituted to ferret out and torture Catholics who were not "true believers", usually former Jews, former Muslims, and closet Protestants.
he thought about them
The Jesuits combined missionary zeal and a great education with Catholic doctrine.
No. Priestly celibacy is a discipline of the Catholic Church, not a doctrine. There are married Catholic priests. More information below:
Maryland was established as a Catholic colony, not Deleware
Monroe Doctrine
Heresy is an opinion or doctrine at variance with established religious beliefs, especiall dessension fromm or denial of roman catholic dogma by a professed believer or babtized church member
Congregation for the Doctrine of the Faith
the supreme court
A Doctrine. A Dogma is a teaching of the Catholic Church that we MUST believe.
No, Catherine changed no doctrines of the Catholic Church.
The Monroe Doctrine was proposed by President James Monroe.