A. World Bank
B. Universal Postal Union (UPU)
C. World Trade Organization (WTO)
D. United Nations (UN)
Answer: Universal Postal Union (UPU)
A. World Bank
B. Universal Postal Union (UPU)
C. World Trade Organization (WTO)
D. United Nations (UN)
Answer: Universal Postal Union (UPU)
Additional Information: The Universal Postal Union (UPU) is responsible for regulating international postal services.
Subjects: World Organizations, General Knowledge