National power is a key component of international politics and refers to a nation's ability to secure its national interests and objectives. It involves the capacity to use force or the threat of force over other nations. National power is a combination of military power, economic power, and psychological power. It is derived from various elements including a nation's geography, natural resources, population, economic development, technology, military capabilities, and other factors. Nations can exercise national power through methods like persuasion, reward, punishment, manipulation, and force in their interactions with other countries.