A. Montenegro
B. South Sudan
C. Zimbabwe
D. South Africa
🧠 Explanation:
South Sudan regained its right to vote in the United Nations General Assembly in 2017 after settling unpaid dues. As the world’s youngest nation, its participation in the UN is crucial for addressing issues like conflict, poverty, and development. This event highlights the importance of financial compliance for UN membership. For those studying international relations or African politics, South Sudan’s reinstatement underscores the challenges new nations face in global governance and the significance of diplomatic engagement.