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...
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.
Palestrina's Pope Marcellus Mass is among the well-known masses of Giovanni Pierluigi da Palestrina. Palestrina composed more than 100 masses and were published in 1560s. They are known for the interplay lines and the intricate and melodious choral music involved in the work. The work reffered in the given statement is an excerpt of the Kyrie from 01:38.