During the 1970s, why did the population of the united states change?
a)many blue-collar workers moved to the northeast and midwest
b) fewer people left large cities to live in suburbs
c) workers moved away from the sunbelt of the south and west
d) many immigrants arrived from latin america and asia

c) workers moved away from the sunbelt of the south and west.

Explanation:

Population is the total number of specie in an habitat, society or country from which a statistical sample is drawn. Various factors causes a change in population of species in a geographic are. Some of the factors are, birth rate, death rate, immigration etc

During this era, a lot of young people moved from one geographic region to another. Thus immigrant caused a major change in the population of the United State during 1970. Most workers moved away from the sunbelt of the south and west.

increases in demand are shown by a shift to the right in the demand curve. this could be caused by a number of factors, including a rise in income, a rise in the price of a substitute or a fall in the price of a complement.

which the answer is:

b

richard milhous nixon (january 9, 1913 – april 22, 1994) was the 37th president of the united states, serving from 1969 to 1974, when he became the only president to resign (quit). he is also known for corruption and the watergate scandal which resulted in the public losing trust in him and his resignation.