This resulted in a rise in slave revolts, particularly in the 1860s and 1880s, which pressured The federal government to change the method to help keep the region steady.[13] Slavery was lawfully abolished in 1888. Brana Itaipu, najveća svjetska hidroelektrana prema proizvodnji energije i druga najveća po instaliranom kapacitetu (14 https://qilauraad.blogacep.com