As of the beginning of 2015, how many states have chosen to fully legalize marijuana?

The Zaibatsu, which were outlawed during the Allied Occupation,

A. constituted the upper levels of the government's economic bureaucracy. B. reflected the consumer preferences of organized interest groups. C. organized labor unions into a neo-corporate relationship with business. D. were the holding companies of wartime conglomerates.

Which of these challenges does Subramanian say China faces?

a. brain drain b. a youth bulge c. overpopulation d. an aging population e. overvalued currency