People Living in Different Countries Can Benefit from International Trade

Multiple Choice

People living in different countries can benefit from international trade because

A) different countries use different currencies.
B) trade makes it possible for the residents of different countries to specialize in the production of those things they do best.
C) trade makes it possible for people to acquire goods from foreigners cheaper than they could be produced domestically.
D) both b and c are correct.
E) all of the above are correct.