Linguistic variation refers to the differences in language use across different regions, social groups, or contexts. In the context of
English language teaching, especially in countries like Brazil, where English is a foreign language, incorporating linguistic variation
plays a crucial role in developing students' communicative competence. English is not a monolithic language; it has many varieties,
including British,American,Australian, Indian, and Nigerian English, among others. Each variety is associated with different accents,
vocabulary, grammar, and cultural contexts.
  Base Nacional Comum Curricular  (BNCC) encourages teaching English as a means of fostering global citizenship and intercultural communication, which implicitly requires an understanding of linguistic variation. Recognizing English as a plural
language, with many forms and functions, aligns with the goal of preparing students for global engagement.  College Composition and Communication , 57(4), 586-619.  
  ✂️         a) It prevents students from experiencing confusion when exposed to different varieties of English.      ✂️         b) Exposing students to different varieties of English enhances their ability to communicate globally and understand diverse cultures.      ✂️         c) Linguistic variation helps students master only the formal aspects of a single standard variety of English.      ✂️         d) Linguistic variation is irrelevant in language teaching, as standard forms are the only ones students will encounter.      ✂️         e) Teaching only one variety of English ensures that students will speak the language perfectly, without making mistakes.