D. Choose one of the megacities from the table and explain an economic reason why the city has become such a large city. E. Choose one of the megacities from the table and explain either an environmental or social problem it faces.

F. Explain a political or social reason why suburbanization has occurred so prevalently in United States cities since the 1950s.

G. Describe the role that transportation has played in the suburbanization of United States cities since the 1950s.

(I know its a lot of questions but I'm also giving 10 points per, also here's the table you need)