Question

If one country has something another country wants, the opportunities for trade begin to unfold. Specialization encourages trade among countries because no country produces everything it needs. In Southwest Asia, if a country has oil to sell (export), there are plenty of customers to buy it. Saudi Arabia, Iran, Iraq, and Kuwait export millions of barrels of oil every day.
Specialization encourages...

A construction of goods among nations

B buying of goods among nations

C selling barrels among countries

D destruction of barrels among nations ​

Answer 1

Answer: buying of goods among nations

Explanation:

Specialization refers to the method of production in which an economic agent produces limited number of goods in order be more efficient and purchase the goods that it's less efficient in producing from other economic agent.

Specialization encourages trade among countries due to the fact that there's no country that can produce everything, therefore it encourages buying of goods among nations. A nation has to buy the goods that it's less efficient in producing.