In the Context of Materialism,which of the Following Is True

In the context of materialism,which of the following is true about affluence and happiness?

A) U.S.states with greater inequality have lower rates of depression than other states.
B) Countries with less inequality have higher rates of mental illness than other countries.
C) The United States and China are places where rising affluence produces increased happiness.
D) Informing people of income inequality increases their concern for the growing gaps.