The Joloff confederation breaks into five smaller kingdoms

In sixteenth century northern Senegambia the Portuguese slave trade was a leading cause of the disintegration of the Joloff confederation. Five much smaller kingdoms took its place, Waalo, Kajoor, Baol, Siin and Saalum. The same pattern appears further south. In southern Senegambia complex state systems had been forming before the trade arrived, and that development stalled soon after the Portuguese reached the coast in the fifteenth century. The areas that supplied the most captives tended to be the more developed ones, since they held the states, the routes and the market institutions that made capture and transport at scale possible. Where those states came apart, small bands of raiders under an established ruler or a warlord took over, and few band leaders could hand power to a successor. Leadership stayed a personal role instead of settling into an office, which is why the replacements never grew into stable states.

Around 1500 the world was polycentric and not yet capitalist. Several civilisations coexisted, some ancient and some newly formed. In China the Ming had ruled since 1368 and would rule until 1644. Three sultanates had emerged out of the Islamic caliphates, the Ottoman with its centre at Constantinople, the Safavid at Baku, and the Mughal, which ran from 1526 to 1707. In 1520 the Muscovites expelled the Golden Horde and declared Moscow the third Rome. In the Americas the Inca in Tawantinsuyu and the Aztecs in Anahuac were both sophisticated civilisations at the moment the Spaniards landed. No single centre imposed itself on all the others, and conflicts stayed local because there was no reference point against which alternatives had to be measured. Within a century Tawantinsuyu and Anahuac had been dismantled, the Maya were already in decline, and the Atlantic had become the axis around which the rest of the planet was arranged.

In 1492 an Italian navigator sailing for Spain reached a green Caribbean island and named it La Isla Espanola. Africans came to the Americas on that first voyage, but the year normally cited as the official entry of African slaves into Hispaniola is 1502. They were taken from villages and cities along the Gulf of Guinea and brought in to replace the Taino and Arawak, whom the Spanish had subjugated and enslaved and who were disappearing fast. Fleurant's point about what arrived with them is precise. They carried their religion, and the religion carried the historical memory of where they had come from, preserved in a form that could survive transport. A people can be stripped of language, lineage and name and still keep a working account of its own origin, provided the account is lodged in ritual rather than in writing. That is what happened on this island.

An estimated forty per cent of all the people carried across the Atlantic as slaves came from the Kongo and Angola region, a share far out of proportion to how many people lived there. One reason is that this was the only stretch of the coast where Europeans went inland themselves to seize captives directly instead of buying them from African traders at the shore. That method killed many more people in the taking, though by the height of the trade in the eighteenth century African entrepreneurs were running the inland end of it. The large functioning states that existed on this coast in the early sixteenth century were replaced by smaller and more frightened ones, and the region went backwards socially and politically for centuries. Europeans liked to describe Africans as cannibals. Africans watching neighbours carried off by the tens of thousands to an unexplained destination came to say the same thing about Europeans.