BRICS, Pix and rare earths: Brazil between monetary autonomy, US–China competition and the political crisis of 2026
A documented, 40-source economic and strategic investigation of Lula's BRICS currency proposals, US complaints about Pix, the revised USGS Brazilian rare-earth reserves, completed USAR–Serra Verde takeover and US-backed offtake, the Brazilian 2026 election and testable claims of diplomatic pressure.