18thcentury 2011h-545 20thcentury african agriculture agricultureandstate aideéconomiquesoviétique animal artandstate arts baga(africanpeople) behavior bembeyajazznational(musicalgroup) bossouregion chimpanzees conditionséconomiques développementéconomique divination economicassistance economicconditions economicdevelopment economichistory energypolicy ethnicity finance foreigneconomicrelations geomancy georgia ghana ghāna guinée gulfof géomancie history historyandcriticism iconoclasm internationalrelations jazz mali management mandingo(africanpeople) mandingues mount musicguineaconakry nalu(africanpeople) nationalism nationalsecurity naturalhistory nimba occultists pantroglodytes petroleuminsubmergedlands politicalaspects politicsandgovernment relations religion religionandpolitics religionandsociology rice ricefarmers ricetrade ritesandceremonies ritesetcérémonies schimpanse sculpture sexrole sierraleone slavery slavetrade socialclasses socialconditions sociallifeandcustoms southcarolina soviet stonecarving structuraladjustment(economicpolicy) toolusebehavior tooluseinanimals unitedstates verhaltensforschung worldbank