This resulted in a rise in slave revolts, specifically in the 1860s and 1880s, which compelled the government to alter the procedure to keep the country stable.[13] Slavery was lawfully abolished in 1888. Brana Itaipu, najveća svjetska hidroelektrana prema proizvodnji energije i druga najveća po instaliranom kapacitetu (14 000 MW) https://bvfabiobg.blogadvize.com