This resulted in an increase in slave revolts, specifically in the 1860s and 1880s, which forced The federal government to alter the system to help keep the state steady.[13] Slavery was legally abolished in 1888. Brana Itaipu, najveća svjetska hidroelektrana prema proizvodnji energije i druga najveća po instaliranom kapacitetu (fourteen https://tmmariliahl.affiliatblogger.com