The slave trade revolving around tobacco or cotton or coffee or sugar would tend to mix slaves and laborers from different language backgrounds, in part deliberately, so as to avoid the possibility of revolt.

为了获得烟草,棉花,咖啡,或糖块的奴隶交易,会将来自不同语言背景的奴隶,和劳动者们混在一起,这也在某种程度上,谨慎地避免了可能的造反

耶鲁公开课 - 心理学导论课程节选

Probably the best book written on this, particularly on the language of the domestic slave trade, is Walter Johnson's book called Soul by Soul, a book-- I highly recommend you read it sometime in your reading lives.

也许有一本书描写这点最生动,特别是在记述国内奴隶贸易的语言上,是沃尔特·约翰逊所著的,《灵魂的灵魂》这本书,我强烈建议在你的读书生涯中加进这本书

耶鲁公开课 - 美国内战与重建课程节选