Romansh language the most comprehensive collection of Romansh words, which can also be used in the idioms with the necessary phonetic shifts. The signatories of "Pro Rumantsch" stress that Romansh needs both the idioms and Rumantsch Grischun if it is to improve its chances in today's communication society. In Switzerland, official language use is governed by the "territorial principle": Cantonal law determines which of the four national languages enjoys official status in which part of the territory. Only the federal administration is officially quadrilingual. Romansh is an official language at the federal level, one of the three official languages of the Canton
Romansh language acquire Romansh in order to fit in. In the Lower Engadine by contrast, Romansh is the majority language virtually everywhere, with over 80% reporting it as a habitually spoken language in most villages. The status of Romansh is even stronger in the Val Müstair, where 86.4% report to speak it habitually, and 74.1% as their language of best command. In the Lower Engadine, outsiders are generally expected to learn Romansh if they wish to be integrated into the local community and take part in social life. In addition, there is often pressure from inside the family to learn Romansh. Overall,