Answer:
D) Mercantilism
Explanation:
Based on the information provided within the question it can be said that Salcia's approach to international trade is being influenced by Mercantilism. This term refers to a policy that was created in order to maximize exports of a nation while at the same time minimizing the imports. This is what Salcia is trying to accomplish by not importing anything that they can make at home.
I hope this answered your question. If you have any more questions feel free to ask away at Brainly.