Fill in the Blanks UNITED NATIONS INSTITUTIONSOnline version General Assembly, Secretary general and Security council. by Alfonso Poza 1 Assembly permanent powerful Peacekeeping Security veto head binding headquartered executive deliberative maintaining The UN General is the UN's main body , where all members have equal representation . It is in New York City , and its responsibilities include setting the UN's budget , appointing rotating members to the Security Council , and passing non - resolutions that express the opinions of the international community . The UN Secretariat is the branch of the UN , charged with implementing policies set by its deliberative bodies . Its , the Secretary - General . The Secretariat , which is based in New York City , includes the Department of Operations : UN soldiers , known as " blue helmets . The UN Council is charged with international security . It authorizes peacekeeping missions , accepts new UN members and approves changes to the UN charter . The Security Council's structure allows a few member states to dominate the UN : Russia , the UK , France , China and the U . S . hold seats on the council and enjoy power .
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