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.
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.
The Jesuits combined missionary zeal and a great education with Catholic doctrine.
he thought about them
No. Priestly celibacy is a discipline of the Catholic Church, not a doctrine. There are married Catholic priests. More information below:
Philip II of Spain championed Catholic causes by aggressively promoting the Counter-Reformation, which aimed to combat Protestantism and reinforce Catholic doctrine. He established the Spanish Inquisition to maintain religious orthodoxy and suppress heresy within his territories. Additionally, Philip supported the Jesuit order and other religious institutions, funding missions and educational efforts to strengthen Catholic faith. His military campaigns, such as the Spanish Armada's attempted invasion of England in 1588, also reflected his commitment to restoring Catholicism in Protestant regions.
Maryland was established as a Catholic colony, not Deleware
Congregation for the Doctrine of the Faith
Yes, according to Catholic doctrine, a priest has the authority to forgive sins through the sacrament of confession or reconciliation.
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
A Doctrine. A Dogma is a teaching of the Catholic Church that we MUST believe.
No, Catherine changed no doctrines of the Catholic Church.