The chief trade is in, and the principal exports are, palm oil and kernels, rubber, cotton, maize, groundnuts (Arachis), shea-butter from the Bassia parkii (Sapotaceae), fibres of the Raphia vinifera, and the Sansevieria guineensis, indigo, and kola nuts, ebony and other valuable wood. [Please select]
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They dig for roots--such as groundnuts and prairie-turnips. [Please select]
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