However, this was in vain as the Treaty of San Ildefonso, signed in the same year, confirmed Portuguese sovereignty over all lands proceeding from its territorial expansion, thus creating most of the current Brazilian southeastern border.
Ipak, to je bilo uzalud jer je ugovor u San Ildefonsu, potpisan iste godine, potvrdio portugalski suverenitet na cjelokupnom teritoriju kolonijalne ekspanzije, utvrđujući većinu aktualnih brazilskih granica.