A) Pakistan
B) Vienna
C) Paris
D) New York
🧠 Explanation:
The International Atomic Energy Agency (IAEA) has its headquarters in Vienna, Austria, a hub for international organizations. This fact is a key topic in global governance, engaging students and policymakers. Understanding the IAEA’s location clarifies its role in nuclear safety, relevant for studying international security. Vienna’s prominence attracts those exploring global institutions, highlighting its significance in hosting diplomatic efforts, emphasizing its importance in fostering international cooperation on nuclear energy and non-proliferation initiatives worldwide.