Concept:Entrenchment means giving special constitutional protection so that rights cannot be easily changed.Explanation:Fundamental Human Rights and Liberties are included in the constitution to protect them from arbitrary government action.Since the constitution is the supreme law, amending it requires a strict and difficult procedure.This makes it hard for any ordinary government to tamper with or remove these rights.Therefore, entrenchment secures the rights of citizens against quick or unjust changes.Answer:Option C: make it difficult to tamper with.