The course aims to answer the following questions on the basis of the texts indicated in the bibliography: What does linguistic politics mean in general and in the lusophone world? How can the choice of the official language be combined with the identification of the linguistic standard in the lusophone world? What are the most important research projects that attempt to describe the Portuguese language? How is the teaching of the mother tongue and the language actually spoken in Brazil placed? What are the possible grammar definitions in the texts studied in the course? Does the linguistic landscape of Brazil present a linguistic homogeneity? how can we define it according to its characteristics? The teaching of Portuguese as a mother tongue and as a foreign language has developed since when and how it was done and how is the management of teacher training? How do linguistic research and language policy in Brazil and Portugal?