Gold in Minas Gerais redirects the traffic to West Central Africa

Gold was found in the interior highlands of Brazil in the 1690s, in the country that took the name Minas Gerais, the general mines. The deposits lay in stream beds and called for no engineering, only enormous numbers of people to wash gravel. Portugal supplied them by buying more Africans, turning increasingly to West Central Africa and to the Bight of Benin, and moving the arrivals inland from Rio de Janeiro along a road cut through the coastal mountains. Tens of thousands went up it. The rush pulled population and capital away from the sugar captaincies on the coast and made the interior of Brazil, for the first time, ground worth holding. Minas Gerais remained the premier mining district of the Americas into the middle of the eighteenth century, and it remained so because the ships kept arriving. Gold and sugar bought from the same suppliers, so a strike in a Brazilian creek moved prices on the African coast and changed what was available to the buyers in Saint-Domingue.

The Treaty of Ryswick, concluded in 1697, obliged Spain to cede a third of Hispaniola to France. The ceded territory took the name Saint-Domingue. Sugar was already being made there, and the arrival of enslaved labour in quantity was about to change how it was produced. Through the eighteenth century the traffic in captives climbed to its peak before falling away, in the language of the day, for want of supply. Ships were built larger to carry more people. Captives lay chained in pairs in holds that the trade itself called floating tombs, and the crossing to Saint-Domingue took between forty and ninety days on short rations. Most African regions were represented in the colony, and among the three largest groupings the Fon of Dahomey, combined with the Yoruba of what is now Nigeria, supplied the framework on which the transplanted religious practice of the island was built.

The Treaty of Ryswick, signed on 20 September 1697, ended nine years of war between France and the Grand Alliance of England, Spain, the Holy Roman Empire and the Dutch Republic. The negotiators met at a country house near The Hague and traded fortresses, ports and colonies. One clause among many awarded France the western third of Hispaniola. Nothing changed on the island that day. French buccaneers had been established on Tortuga and along the northern coast since the 1620s, and by 1697 they had cleared land, planted tobacco and indigo, imported Africans, and installed a governor and a council. The treaty attached a legal name to a settlement already in place. That is generally how colonies come into being. Someone occupies ground, and a document drafted afterwards in Europe converts the occupation into title. The territory took the name Saint-Domingue and went on to earn more from sugar and coffee, worked by enslaved people, than any comparable piece of ground on earth.

By the 1690s the enslaved black population of Virginia outnumbered white indentured servants there by four to one. For most of the century the tobacco colony had run on indenture, which meant English and Irish people bound to labour for a term of years and then released with a claim to land. That arrangement carried an end date inside it. Slavery carried none, and the Atlantic traffic had grown large enough to supply planters at a price they preferred. The ratio is the visible result of decisions the Virginia assembly had already taken in law: making slave status inherit through the mother, closing the escape route through baptism, and fixing condition by race. The colony that later produced the sentence about all men being created equal had, by this decade, settled the prior question of who counted as a man. The same substitution of African slavery for European indenture was under way across the plantation Americas at the same moment, on English, French, Dutch and Portuguese ground alike.