Which of the Following Statements Is True of Tribes That

Which of the following statements is true of tribes that have opened casinos on reservations?

A) The tribes do not pay taxes to local, state, or federal governments.
B) Nationwide, the economic and social impact of the revenue from casinos is limited.
C) Unemployment in the reservations has substantially increased despite the casinos.
D) On the reservations that benefit from gambling enterprises, the family income is significantly higher than for the nation as a whole.