A benefit which a country seeks to achieve in her relations with other nations is called

The benefit that a country aims to gain in its interactions with other countries is called "national interest." National interest refers to the country's goals and ambitions in the international arena, which may include economic, political, and security interests. It is often driven by a desire to promote the country's welfare and ensure its survival in the face of global challenges. National interest is a key component of a country's foreign policy, and guides its decisions and actions in international relations.