在北美殖民地时期 ,烟草经济的成长导致切萨皮克地区的奴隶人口出现了不断增长和地区扩散的势头 ,并最终实现了奴隶人口的自然增长 ;反过来 ,人口因素的变动又推动切萨皮克地区的奴隶制在运行效率、法律体制和黑人文化等方面产生了重大的社会变革 During the North American colonial period, the growth of the tobacco economy led to the constant growth and regional proliferation of the slave population in Chesapeake and the eventual realization of the natural growth of the slave population; in turn, the demographic shift prompted Chesapear Slavery in the g-region has resulted in major social changes in operational efficiency, the legal system and black culture