Frank Richardson Cana, 1922 Encyclopædia Britannica, Volume 30…
“ In the coast region a mail steamer service was opened in 1912 along the lagoons between Porto Novo and Lagos. Cocoa plantations were largely developed from 1912, and the coconut palm—for the copra trade—introduced in the lagoon districts, while in central Dahomey cotton plantations met with success. Maize is largely grown for export, and there are considerable herds of cattle in the north. But palm oil remains the chief source of wealth of the country ”
