此外，对非洲部落文化的最可靠，最新的研究表明，奴隶制是非洲人本身的长期习俗，因此美国被奴役的非洲人只是在这里经历了一种条件，否则他们将在母国中以更加压迫的方式体验。
(In addition, the most reliable and recent studies of African tribal culture demonstrated that slavery was a long-standing custom among the Africans themselves, so enslaved Africans in America were simply experiencing a condition here that they would otherwise experience, probably in more oppressive fashion, in their mother country.)