Concept:Rule of law means that the law is supreme and no one is above it.Explanation:The rule of law is based on the supremacy of the law over every person and authority.It means that all actions must be carried out according to the law, and no one can act arbitrarily.In the rule of law, the law is the highest power in the state, not any individual or ruler.This is the principle called the supremacy of the law.The other options refer to other civic concepts, not the direct meaning of rule of law.Answer:A. supremacy of the law