War? Do the historians in the article generally agree or disagree with one another about the causes and legacy of the Civil War? What does this agreement or disagreement tell us about the reliability and validity of their views

d. stage 4

explanation:

the existence of some kind of demographic transition is widely accepted in the social sciences because of the well-established historical correlation linking dropping fertility to social and economic development.[1] scholars debate whether industrialization and higher incomes lead to lower population, or whether lower populations lead to industrialization and higher incomes. scholars also debate to what extent various proposed and sometimes inter-related factors such as higher per capita income,lower mortality, old-age security, and rise of demand for human capital are involved.[2]

answer they showed that organic molecules such as amino acids could be produced from inoragnic molecules;