The answer is C :)) hope I helped
The fourth alternative is correct (D).
Nations produce goods and services according to their productive capacity, their natural resources and the specialization of the workforce. In this way, some goods and services are expensive for a nation to produce, but are cheaper for other nations to produce.
Thus, if each nation specializes in the product in which it has a production advantage, nations can make tradeoffs. The country that has an advantage in the production of a good can export it to other countries and still can import the goods to which it is not specialized.
A, this is because they have just gone through the Civil War and now they need to reconstruct the land and government