(A) Hague Convention on the Law of Treaties
(B) Vienna Convention on the Law of Treaties
(C) Geneva Convention on the Law of Treaties
(D) All of these
🧠 Explanation:
The Vienna Convention on the Law of Treaties defines international agreements between states in written form, governed by international law. It’s key for global diplomacy. In Pakistan, it’s relevant for understanding treaties like trade or peace agreements, helping in foreign policy or legal studies for governance and international relations.