Which of the following is the most powerful organ of the United Nations?

The most powerful organ of the United Nations is the Security Council. The Security Council is responsible for the maintenance of international peace and security. It has the power to authorize military action and impose sanctions on countries that threaten peace. The Security Council is made up of 15 members, five of whom are permanent (China, France, Russia, the United Kingdom, and the United States) and ten of whom are elected for two-year terms. The decisions made by the Security Council are binding on all member states of the United Nations.