This led to a rise in slave revolts, particularly in the 1860s and 1880s, which forced The federal government to change the process to keep the place stable.[thirteen] Slavery was legally abolished in 1888. Brana Itaipu, najveća svjetska hidroelektrana prema proizvodnji energije i druga najveća po instaliranom kapacitetu (14 000 https://bwcristianaeh.mpeblog.com