During which years did the country have a budget deficit?

A country that is a member of the World Trade Organization

A) can use tariffs and quotas to limit trade. B) can establish preferential trading arrangements with other countries. C) is allowed to eliminate all of its tariffs and quotas. D) All of the above.

Patent and copyright laws

a. encourage creative activity. b. promote competition among firms. c. discourage creative activity. d. Both a and b are correct.