The arrival in our country of foreign nobility which was intransigent with the culture and language of Galicia, a drop in population, the loss of autonomy of the Galician church, ... gave impetus to the process of decline of Galician and prevented its consolidation as a literary language. In the eighteenth century the so-called "enlightened" voices expressed their concern for the normalization of Galician. The most outstanding figure in this group was Frei Martín Sarmiento. To know more Frei Martín Sarmiento.