North African nations assist manufacturing nations in Northern Europe to trade with India and China. Which of the following is the BEST conclusion to draw about the economic development of the North African nations? They are in the economic periphery.
They are in the economic semi-periphery.
They are in the economic core.
They have formed a regional economic alliance.
They have formed an international economic alliance.

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]