Answer:
1.Why rural settlements have declined
Rural settlements have declined because they offer less economic opportunities. In rural areas, the basic activity is agriculture, which tends to pay less than manufacturing or services, and that, due to mechanization, needs less workers every decade.
2.reasons why city dwellers opt for the country
Sometimes city dwellers opt to move out for the country either because they find employment there, or can work remotely, Living in the country is usually cheaper than living in the city, and can also be more desirable to many people who prefer a quiet enviroment.
3.Benefits of living in the country:
As said above, one benefit is in lifestyle: the country is quiet, calm, and cheap. It has higher quality air, and less polution overall. Many people also find small country communities more socially desirable than the large communities that can be found in cities.
4.impact on the rural economy
City dwellers moving for the country benefits the rural economy. City dwellers bring their incomes, and they support the local community businesses. New comers can also help revitalize areas whose population is dwindling.