This triggered an increase in slave revolts, especially in the 1860s and 1880s, which forced The federal government to alter the process to help keep the nation steady.[thirteen] Slavery was lawfully abolished in 1888. Brana Itaipu, najveća svjetska hidroelektrana prema proizvodnji energije i druga najveća po instaliranom kapacitetu (fourteen 000 https://ffabelut.losblogos.com