[Footnote 4: Writings of John Quincy Adams, Ford ed., III, 471, 472 (New
York, 1914).]
The impulse for the enslavement of negroes by other peoples came from the Arabs who spread over northern Africa in the eighth century, conquering and converting as they went, and stimulating the trade across the Sahara until it attained large dimensions. The northbound caravans carried the peculiar variety of pepper called "grains of paradise" from the region later known as Liberia, gold from the Dahomey district, palm oil from the lower Niger, and ivory and slaves from far and wide. A small quantity of these various goods was distributed in southern Europe and the Levant. And in the same general period Arab dhows began to take slave cargoes from the east coast of Africa as far south as Mozambique, for distribution in Arabia, Persia and western India. On these northern and eastern flanks of Guinea where the Mohammedans operated and where the most vigorous of the African peoples dwelt, the natives lent ready assistance in catching and buying slaves in the interior and driving them in coffles to within reach of the Moorish and Arab traders. Their activities, reaching at length the very center of the continent, constituted without doubt the most cruel of all branches of the slave-trade. The routes across the burning Sahara sands in particular came to be strewn with negro skeletons.[5]
[Footnote 5: Jerome Dowd, "The African Slave Trade," in the Journal of
Negro History, II (1917), 1-20.]
This overland trade was as costly as it was tedious. Dealers in Timbuctoo and other centers of supply must be paid their price; camels must be procured, many of which died on the journey; guards must be hired to prevent escapes in the early marches and to repel predatory Bedouins in the later ones; food supplies must be bought; and allowance must be made for heavy mortality among the slaves on their terrible trudge over the burning sands and the chilling mountains. But wherever Mohammedanism prevailed, which gave particular sanction to slavery as well as to polygamy, the virtues of the negroes as laborers and as eunuch harem guards were so highly esteemed that the trade was maintained on a heavy scale almost if not quite to the present day. The demand of the Turks in the Levant and the Moors in Spain was met by exportations from the various Barbary ports. Part of this Mediterranean trade was conducted in Turkish and Moorish vessels, and part of it in the ships of the Italian cities and Marseilles and Barcelona. Venice for example had treaties with certain Saracen rulers at the beginning of the fourteenth century authorizing her merchants not only to frequent the African ports, but to go in caravans to interior points and stay at will. The principal commodities procured were ivory, gold, honey and negro slaves.[6]
[Footnote 6: The leading authority upon slavery and the slave-trade in the
Mediterranean countries of Europe is J.A. Saco, Historia de la Esclavitud
desde los Tiempas mas remotas hasta nuestros Dias (Barcelona, 1877), vol.
III.]
The states of Christian Europe, though little acquainted with negroes, had still some trace of slavery as an inheritance from imperial Rome and barbaric Teutondom. The chattel form of bondage, however, had quite generally given place to serfdom; and even serfdom was disappearing in many districts by reason of the growth of towns and the increase of rural population to the point at which abundant labor could be had at wages little above the cost of sustaining life. On the other hand so long as petty wars persisted the enslavement of captives continued to be at least sporadic, particularly in the south and east of Europe, and a considerable traffic in white slaves was maintained from east to west on the Mediterranean. The Venetians for instance, in spite of ecclesiastical prohibitions, imported frequent cargoes of young girls from the countries about the Black Sea, most of whom were doomed to concubinage and prostitution, and the rest to menial service.[7] The occurrence of the Crusades led to the enslavement of Saracen captives in Christendom as well as of Christian captives in Islam.
[Footnote 7: W.C. Hazlitt, The Venetian Republic(London, 1900), pp. 81, 82.]
The waning of the Crusades ended the supply of Saracen slaves, and the Turkish capture of Constantinople in 1453 destroyed the Italian trade on the Black Sea. No source of supply now remained, except a trickle from Africa, to sustain the moribund institution of slavery in any part of Christian Europe east of the Pyrenees. But in mountain-locked Roussillon and Asturias remnants of slavery persisted from Visigothic times to the seventeenth century; and in other parts of the peninsula the intermittent wars against the Moors of Granada supplied captives and to some extent reinvigorated slavery among the Christian states from Aragon to Portugal. Furthermore the conquest of the Canaries at the end of the fourteenth century and of Teneriffe and other islands in the fifteenth led to the bringing of many of their natives as slaves to Castille and the neighboring kingdoms.
Occasional documents of this period contain mention of negro slaves at various places in the Spanish peninsula, but the number was clearly small and it must have continued so, particularly as long as the supply was drawn through Moorish channels. The source whence the negroes came was known to be a region below the Sahara which from its yield of gold and ivory was called by the Moors the land of wealth, "Bilad Ghana," a name which on the tongues of European sailors was converted into "Guinea." To open a direct trade thither was a natural effort when the age of maritime exploration began. The French are said to have made voyages to the Gold Coast in the fourteenth century, though apparently without trading in slaves. But in the absence of records of their activities authentic history must confine itself to the achievements of the Portuguese.
In 1415 John II of Portugal, partly to give his five sons opportunity to win knighthood in battle, attacked and captured the Moorish stronghold of Ceuta, facing Gibraltar across the strait. For several years thereafter the town was left in charge of the youngest of these princes, Henry, who there acquired an enduring desire to gain for Portugal and Christianity the regions whence the northbound caravans were coming. Returning home, he fixed his residence at the promontory of Sagres, on Cape St. Vincent, and made his main interest for forty years the promotion of maritime exploration southward.[8] His perseverance won him fame as "Prince Henry the Navigator," though he was not himself an active sailor; and furthermore, after many disappointments, it resulted in exploration as far as the Gold Coast in his lifetime and the rounding of the Cape of Good Hope twenty-five years after his death. The first decade of his endeavor brought little result, for the Sahara shore was forbidding and the sailors timid. Then in 1434 Gil Eannes doubled Cape Bojador and found its dangers imaginary. Subsequent voyages added to the extent of coast skirted until the desert began to give place to inhabited country. The Prince was now eager for captives to be taken who might inform him of the country, and in 1441 Antam Gonsalvez brought several Moors from the southern edge of the desert, who, while useful as informants, advanced a new theme of interest by offering to ransom themselves by delivering on the coast a larger number of non-Mohammedan negroes, whom the Moors held as slaves. Partly for the sake of profit, though the chronicler says more largely to increase the number of souls to be saved, this exchange was effected in the following year in the case of two of the Moors, while a third took his liberty without delivering his ransom. After the arrival in Portugal of these exchanged negroes, ten in number, and several more small parcels of captives, a company organized at Lagos under the direction of Prince Henry sent forth a fleet of six caravels in 1444 which promptly returned with 225 captives, the disposal of whom has been recounted at the beginning of this chapter.