Why can't states issue their own currency? A.
It is prohibited by treaties the United States has signed with other countries.
B.
Collecting taxes was difficult when the states used different currencies.
C.
It is a power the Constitution only grants to the federal government.
D.
Different currencies would harm the economy by reducing travel between states.

Which statement describes the central idea of the text? a. while the nigerian government has the wealth to improve the conditions in prisons, they continue to view it as a low priority. b. nigerian prisons neglect the physical and mental health of their prisoners by failing to provide them with basic necessities and services. c. the inhuman conditions in nigerian prisons could easily be improved, but the environment is considered part of prisoners' punishment. d. conditions in nigerian prisons are slowly improving as non-government organizations and citizens are providing much-needed equipment to the prisons.