Though slavery was an ancient institution which started in pre-historic era of mankind, it is safe to say that the volume of this trade reached its zenith through the Christian nations of Europe and America who, as is their nature, turned it into a meticulously organised commerce and started capturing slaves by thousands.
Sura zifuatazo zitaonye-sha picha ya kweli kwa wasomaji. Mnamo mwaka wa 1492, ambapo Columbus, akiwakilisha ufalme wa Hispania aligundua "New World" (Dunia mpya), alianzisha mfululizo mrefu na mchungu wa ushindani wa kimataifa katika kujipatia makoloni, ambao hadi sasa baada ya karne nne na nusu, hakuna suluhu iliyopatikana.