Final answer:
Sweden applies a system known as quotas to certain categories of imported agricultural products in order to protect domestic farmers and maintain food self-sufficiency.
Step-by-step explanation:
The subject of this question is Social Studies. In the context of this question, Sweden applies a system known as quotas to certain categories of imported agricultural products. Quotas are a type of trade barrier that restricts the quantity of a specific good that can be imported into a country. In this case, Sweden sets a limit on the amount of agricultural products that can be imported into the country in order to protect domestic farmers and maintain food self-sufficiency.