Here are the solutions to questions 7, 8, and 9: 7. Every Public Official has a specific authority or jurisdiction on which to act upon. Any Public Official who's actions lack legal basis will raise the question of: Explanation: When a public official acts without a legal basis or beyond the scope of their powers, the fundamental question raised is whether they had the jurisdiction* to perform that action. Jurisdiction defines the legal authority or power of an official or court to hear and determine a case or to take a particular action. Answer: The correct option is B. $$\boxed{\text{B. Jurisdiction}}$$ 8. The substantive sources of law are: Explanation: Substantive sources of law are the actual bodies of rules that create, define, and regulate rights, duties, and obligations. In many legal systems, particularly those with a common law heritage and customary law recognition, the primary substantive sources include legislation (statutes), customary law, and judicial precedent (case law). Textbooks and other scholarly writings are generally considered secondary or persuasive sources, as they explain and analyze the law rather than creating it. Among the given options, "Customary Law and Legislation" are both unequivocally substantive sources. While "Authority" could broadly refer to judicial precedent, the inclusion of "Text books" makes options B, C, and D less precise for "substantive sources." Therefore, option A provides the most accurate and direct answer for substantive sources. Answer: The correct option is A. $$\boxed{\text{A. Customary Law and Legislation}}$$ 9. The Supreme Court of Sierra Leone consist of: Explanation: According to Section 122(1) of the Constitution of Sierra Leone, 1991, the Supreme Court is constituted by the Chief Justice and not less than four other Justices of the Supreme Court. Answer: The correct option is D. $$\boxed{\text{D. The Chief Justice and not less than four justices of the Supreme Court}}$$