1993b-047 19thcentury africa citiesandtowns cityplanning congo congo(democraticrepublic) congresses cults economicconditions female freetown gangs infertility johannesburg lagos landuse masculinity medicine nigeria order politicsandgovernment ritesandceremonies sierraleone socialaspects socialconditions socialstructure southafrica traditional traditionalmedicine urban wb50hc6d4w1993 yaka(africanpeople) youngmen youthandviolence