The Bureau of International Organization Affairs (IO) of the U.S. Department of State advances U.S. policies and interests through multilateral diplomacy. The U.S. played a major role in the creation of the UN and other international organizations and maintains a strong leadership role in these bodies. IO works to ensure that the UN and other international organizations remain viable and effective. The IO website provides information on the agency's programs, including the model UN program, educational resources, resources on peacekeeping, international postal policy, disaster information, resources regarding the U.S. and the UN and annual reports to the U.S. Congress.