A policy formulated to guide relations with other nations is called

A policy formulated to guide relations with other nations is called foreign policy. Foreign policy refers to a set of principles, strategies, and actions that a country adopts to safeguard its national interests, promote its values, and manage its relations with other countries. Foreign policy is an essential aspect of a country's international relations because it allows a country to navigate the complex global landscape, build alliances, and influence other countries. It covers various areas, such as economic cooperation, security and defense, diplomacy, humanitarian aid, and cultural exchanges. A country's foreign policy is usually formulated by its government and is influenced by factors such as its geography, history, culture, ideology, and economic interests. It is also subject to change depending on the country's changing priorities, relationships with other countries, and global events. Overall, foreign policy is a crucial tool for a country to promote its interests and values in the international community and to advance its national goals.