Strategy refers to a plan of action designed to achieve a particular goal or set of goals. In the context of International Relations, strategy can refer to the plans and policies developed by states, organizations, or individuals to promote their interests and achieve their objectives in the international arena. Strategies in International Relations can encompass a wide range of activities, including diplomacy, military action, economic policy, and the development of alliances and partnerships.
Source: Biddle, S. (2004). Military power: Explaining Victory and Defeat in Modern Battle. Princeton University Press.