Countries around the world will suffer an economic decline is the global effect caused by population growth in South and East Asia.
Step-by-step explanation:
The overpopulation caused the burden on the country’s economy which will result in the economic decline. The more people mean more demand of resources and more employment. The high demand and shortage of supply which cause the mismatch in the demand and supply schedule.
Thus economy will face the economic burden and pressure. The slow economic growth and high pressure makes the country backward among the other world. Thus option B is correct in this regard