Normally Roman Catholics, themselves, refer to themselves as "Catholics" Your humble answerer used "Roman Catholic Answer" to differentiate from others who use the word "Catholic" improperly.
No.AnswerIf you mean 'catholic' with a small 'c', then yes. the word 'catholic' simply means 'universal' and so the Protestant Church is part of the universal Christian Church worldwide. If you mean 'Catholic' with a large 'C' - this usually refers to the Roman Catholic Church and, though the Protestant Church is part of the catholic (universal) church, it is not part of the Catholic (Roman Cattholic) church as this is a separate denomination.
There is no "Roman" Catholic Church: Roman is an epithet first commonly used in England after the protestant revolt to describe the Catholic Church. It is rarely used by the Catholic Church. The Chaldean Catholic Church is part of the Catholic Church.
It usually refers to the Latin Rite of the Catholic Church.
The Roman Catholic Church is a type of Christian Church.
You would use the phrase Roman Catholic Church as a noun, because it's a name. For example, "The Roman Catholic Church is headquarted in Vatacin City" or "John is a member of the Roman Catholic Church". Tip: there is no Roman Catholic Church. It is the Catholic Church.
If you mean the Roman Catholic church, then the answer is none at all.
To be a member of the Catholic Church means to believe in Catholic Christianity and be a official in the Roman Catholic Church and/or attend a Catholic Church.
the Eastern Orthodox Church and the Roman Catholic Church
Well, actually, it's just the Catholic Church, not the Roman Catholic Church. Roman is an epithet first commonly used in England after the protestant revolt to describe the Catholic Church. It is rarely used by the Catholic Church. St. Paul was a Bishop in the early Catholic Church.
Roman Catholic AnswerIf by "feudal Church" you mean the Catholic Church during the time of feudalism, that is sort of an involved topic, I would start with the Catholic Encyclopedia article on Feudalism below:
The Roman Catholic Church was modernized by Vatican II.
Mary is our mother in the Roman Catholic Church.