Final answer:
France is classified as a core nation due to its advanced economy, strong government, and military, as well as its influence in international trade and politics.
Step-by-step explanation:
France is classified as a core nation. Core nations are characterized by their high level of industrialization, diversified economy, and dominance in international trade. These nations also tend to have powerful governments and strong military. Considering France's advanced economy, technological development, strong political influence in international relations, and robust military capabilities, it fits within the core category as opposed to a semi-peripheral or peripheral nation. Therefore, the correct answer is b. Core.