The student correctly uses subject-specific terminology relevant to the chosen article and key concept, effectively incorporating terms such as "comparative advantage," "protectionist quotas," and "tariff revenue." This terminology is clearly defined and applied in context, demonstrating an understanding of economic concepts like consumer and producer surplus. Moreover, the incorporation of subject-specific terms is evident throughout the work, as the student discusses their relevance to the relationship between Canada and the U.S., particularly in the sugar and confectionery industries. Overall, the student's use of terminology reflects a strong grasp of the economic principles involved.