Which of the Following Is Most Likely to Help Countries

Which of the following is most likely to help countries overcome trade problems with each other?

A) When a large number of countries participate in trade negotiations so they can gain broader consensus.
B) When countries have limited interactions over time and therefore little chance for disputes.
C) When countries are able to restrict the information that other countries have about their products.
D) When the countries have concluded a limited war fought with each other to resolve a dispute over trade routes.
E) When countries can negotiate concessions in different industries to achieve an agreement.