Complex sentence: In 19th century, the slavery of Blacks was abolished in the country by Whites, and Brazil liberated its Black slaves, denying them and their children any rights whatsoever, land, school, housing, water, and electricity.
Split into simpler sentences: In 19th century, the slavery of Blacks was abolished in the country by the white population, and Brazil liberated its Black slaves. However, they denied them and their children any rights to own land, schooling, housing, water, and electricity.