What does comparative advantage have the most influence on? capital labor resources specialization

The correct answer is: "specialization"

Countries or companies specialize on producing goods or services where they have acquired a competitive advantage.

A competitive advantage is defined as the superiority that a company (or country) enjoys and which enables it to manufacture a certain product at a lower cost, or with a higher quality, if compared to its competitors. Therefore, this company would be able to attract a larger share of the demand.