The Mexico thing is a meme without solid references.
Discussion
Had to look it up in "The Mexico Daily Post" Not really a definitive answer.
https://mexicodailypost.com/2023/03/07/is-mexico-part-of-the-brics-nations/
Had to look it up in "The Mexico Daily Post" Not really a definitive answer.
https://mexicodailypost.com/2023/03/07/is-mexico-part-of-the-brics-nations/