In the Middle Ages, university students in Europe were required to learn Latin as a basis of academic research. (Or so understand I.)

This situation is somewhat similar to 21st century Japan. University students are largely required to learn English as an academic language. What a requirement! But once upon a time, Europeans had been doing the like.

Did this help the rise of the European academia? If so, how? To learn a language may offer to the learner a personal learning model usefully applicable to any other field of study.

But at least, to learn the same one language among nations must have set the base of international communication. Academics of those days from different parts of Europe would probably have conversed often in Latin.