Which of the Following Statements Regarding Social Forces Is Most

Which of the following statements regarding social forces is most accurate?

A) Changes in social forces can have a dramatic impact on marketing strategy.
B) As a social force, consumer incomes have more impact on marketing strategy than demographics.
C) Social forces within an organization motivate employees to improve their productivity.
D) Social forces determine all of the other environmental forces that affect an organization.
E) Of all the environmental forces, social forces are the easiest for a marketer to manipulate.