Which of the following statements are correct about International Trade Theories?

(A) According to mercantilism, countries should import more than they export.

(B) A country that practices neo-mercantilism attempts to run, export surplus to achieve a social or political objective.

(C) Theory of absolute advantage reasoned that restricted trade would lead country to specialize in those products that gave it a competitive advantage.

(D) According to theory of comparative advantage gains from trade will occur even in a country that has absolute advantage in all products because the country must give up less efficient output to produce more efficient output.

Choose the correct answer from the options given below: