Answer:
Declaring war and recognizing diplomats, is the correct answer.
Step-by-step explanation:
Foreign policy is the set of decisions, principles, and means followed by a nation to secure the goals of national interest in international relations, it defines the goals of national interest and then ensures these through national power. The size of state or territory, geographical factors, level and nature of economic development, cultural and historical factors, social structure, government structure, internal situation;values, talents, experiences and personalities of leaders, political accountability, ideology, diplomacy, international power structure, public opinion, technology and external environment, alliances and international treaties are the elements of foreign policy.