Slaves and Negrierses

To XV century, a gigantic traffic puts himself in room between the Europe, Africa and America. During four centuries, twelve to fifteen millions of men are going to be transported in depth of hold, as of goods, through the Atlantic oceans. These men are Africans, of Blacks, of them (Negroes), exchange often in same Africa against the European products petty. One will call (négriers) the European tradesmen that live this traffic.

To XVI century, the triangular trade to splice the Europe, Africa and America, puts himself in room. Stretch négrier bleeds Africa: fifteen to twenty millions of men and women deported in three centuries are going to make prosper big colonial strength plantations. 
1 - of Europe in Africa, négrierses are going to look for the dark slaves on the western coast of Africa, bring in Gorée (a small island in front of Dakar) and the Mozambique. Slaves are exchanged there against the sold European products to chiefs of tribes: wool, cotton, rum, brandy, bar of iron, barrels of gunpowder, etc. 
2 - of Africa in America. slaves are transport by boats and traitors in the Caribbean archipelago, in Brazil and in the south of the thirteen colonies, that arrives in the Spanish continental empire: Mexico, Peru, Colombia, venezuela. 
3 - of America in Europe. Having sold their slaves, négrierses return in Europe the full holds of tropicaux products.