A Country's Newest Ruler Has Decided the Country Will Become

Multiple Choice

A country's newest ruler has decided the country will become self-sufficient and ceases trade with the rest of the world. How will this most likely affect the country's citizens?

A) They will be forced to consume less of the goods the country had a comparative advantage at producing.
B) They will be better off than before as long as the country has an absolute advantage at producing any good.
C) They will be better off than before only if the country has an absolute advantage at producing most of the goods they consume.
D) They will be better off than before only if they have a comparative advantage at producing all goods.