Government regulations on international commerce include tariffs and import quotas. these regulations are often referred to as
a. trade barriers.
b. fair-trade laws.
c. trade safeguards.
d. voluntary-trade restrictions.

Which sentence is correctly punctuated? a. i haven’t found a new job, and i don’t plan to look for one until i have to. b. my work is piling up—day to day—and i can’t seem to get caught up. c. i know things could be worse (they have been in the past).