Mexico's welfare spending is among the highest in the world

Which of the following statements about HIV/AIDS is true?

a. The number of people newly infected by HIV/AIDS and the number of people living with HIV/AIDS is increasing. b. Sub-Saharan Africa is the most affected region, but the incidence rate of HIV/AIDS is rising in the Caucasus and Central Asia. c. It is relatively cheap to buy medications for HIV/AIDS, but the distribution networks for such medications are poor. d. The HIV/AIDS pandemic poses the greatest threat in Southeast Asia and India.

What have scholars discovered about voting based on a number of different field experiments?

A. telephone calls stressing the importance of voting increased turnout the most B. television advertising about the closeness of the election had the greatest effect on turnout C. personal visits combined with a message about the closeness of the election increased turnout the most D. Americans have become so apathetic that there is very little that can be done to increase voter turnout above 50%