Cuanza or Kwanza (both: kwän´zä), river, 600 mi (966 km) long, rising in central Angola and flowing NW and W to the Atlantic. Its lower course, which is navigable for c.160 mi (257 km), was the original route of Portuguese penetration into N Angola. The large Cambambe project, on the lower Cuanza, produces hydroelectric power and supplies water for irrigation. Sugarcane is grown in the lower Cuanza valley.
"Cuanza." The Columbia Encyclopedia, 6th ed.. . Encyclopedia.com. (September 24, 2018). http://www.encyclopedia.com/reference/encyclopedias-almanacs-transcripts-and-maps/cuanza
"Cuanza." The Columbia Encyclopedia, 6th ed.. . Retrieved September 24, 2018 from Encyclopedia.com: http://www.encyclopedia.com/reference/encyclopedias-almanacs-transcripts-and-maps/cuanza