Campbell thus questions the underlying assumptions governing the debate about historical demography in Africa and suggests that the demographic impact of political forces be reevaluated in terms of their changing interaction with "natural" demographic influences.
因此，坎贝尔质疑了支配关于非洲人口史的辩论的基本假设，并建议根据政治力量与"自然"人口影响之间不断变化的相互作用来重新评估其对人口的影响。