Correct option is B
The United Nations has six principal organs:
1. The General Assembly
2. The Security Council
3. The International Court of Justice
4. The Secretariat
5. The Economic and Social Council (ECOSOC)
6. The Trusteeship Council
Information Booster
These organs perform various functions ranging from peacekeeping and judicial decision-making to economic and social development.
Additional Knowledge
The Trusteeship Council has become inactive since the last trust territory, Palau, gained independence in 1994.