Concept:The right to govern is based on legitimate power accepted by the people.Explanation:The term authority means the legal and accepted right to make decisions, give orders, and enforce rules.Power is the ability to influence others, but it may not always be legal or accepted.Diplomacy is the management of relations between countries.Influence is the capacity to affect the actions of others without formal right.Therefore, the right to govern and administer the affairs of the people is called authority.Answer:C. authority