Since the end of World War II (1945), what has
been a major effect of population change in the
United States?
(1) The Social Security system went bankrupt.
(2) Demand for medical facilities has declined.
(3) A surplus of unskilled workers has led to
decreased immigration.
(4) Suburban areas have grown faster than cities.



Answer :

Since the end of World War II (1945), it is that "(4) Suburban areas have grown faster than cities" that has been a major effect of population change in the
United States.