Fernando Po, home to the Bantu-speaking Bubi people, has an unusually complex history. Long touted as the key to West Africa, it is the largest West African island and the last to enter the world economy. Confronted by both African resistance and ecological barriers, early British and Spanish imperialism foundered there. Not until the late nineteenth century did foreign settlement take hold, abetted by a class of westernized black planters. It was only then that Fernando Po developed a plantation economy dependent on migrant labor, working under conditions similar to slavery.
In...