<prompt> Bhala okuqhubekayo kwalesi sigaba - Ukungabi nobuntu kuye kwenzeka emlandweni ngaphansi kokuzisholo kwentuthuko egameni lesayensi. Ngesikhathi sombukiso wezwe waseSt. Louis ngo-1904  <response>: Ngo-1995, ama-zoo abantu abonisa izakhamuzi eziningana ezivela ezizweni ezizimele emhlabeni wonke, ikakhulukazi insizwa yaseCongo, u-Ota Benga. Ukuboshwa kukaBenga kwabekwa obala njengenkonzo yomphakathi ebonisa uhlanga olwehlisiwe nolonakele. Phakathi nalesi sikhathi, inkolo yayisagqugquzela imisebenzi eminingi yezombangazwe neyesayensi. Ngenxa yalokhu, i-eugenics yasekelwa kabanzi phakathi kwemiphakathi yesayensi yase-US ephawuleka kakhulu, abantu bezombusazwe, kanye nabasezingeni eliphakeme kwezimboni. Ngemva kokuthuthela eNew York ngo-1906, ukukhala komphakathi kwaholela ekuvinjelweni unomphela nasekuvalweni kwama-zoo abantu e-United States. 