Roman Catholicism is a branch of Christianity, not a language. So, no it isn't a latin based language.
Latin
-it was based off latin
Latin.
Latin is preferred as this is the Language of the Roman Catholic Church and of the Roman Empire.
Latin.
Yes, Portuguese can be called a Latin based language.
Up until about 1963 the universal language was Latin
Latin was the primary language of the Roman Empire and is still the language of the Roman Catholic Church. The Roman Empire was a major force in the world for several thousands of years, beginning with Romulus and Remus (according to myths) and stretching for a thousand years beyond the birth of Christ. Through Vatican II Latin was also the language used at all Catholic masses.
Yes, Portuguese is a Latin-based language. It evolved from Latin due to the influence of the Roman Empire in the Iberian Peninsula. Today, it is one of the Romance languages, which are derived from Latin.
The language of ancient Rome was Latin. English is an evolved language based on Latin, German, Spanish, Gaelic, French, and numerous colloquialisms.
Spanish and Portuguese are Romance languages, which evolved from Vulgar Latin, the spoken language of the Roman Empire.
The language of the Roman was Latin. Quomodo es?