Use the information to answer the following question. Angola, one of Nigeria’s trading partner countries, is trying to protect its domestic oil refineries from competition. To do so, it limits the amount of refined oil that can be imported from other countries.

Which type of trade barrier is being described?

A.
specialization

B.
quota

C.
tariff

D.
embargo

Which was an effect of the establishment of the european union

The united states economy is one in which producers are generally free to produce what they want and consumers are free to purchase what they desire, so long as no laws are broken. at the same time, however, the government does regulate some aspects of the economy. the u.s. can best be described as which of the following a mixed economy b liberated economy c command economy d market economy

Match the philosopher with his ideas, achievement, or events in his life. aristotle