Read the text to fulfil the tasks. The United Nations system is based on five principal organs (formerly six - the Trusteeship Council suspended operations in 1994); the General Assembly

The United Nations system is based on five principal organs (formerly six - the Trusteeship Council suspended operations in 1994); the General Assembly, the Security Council, the Economic and Social Council (ECOSOC), the Secretariat, and the International Court of Justice.

Four of the five principal organs are located at the main United Nations headquarters located on international territory in New York City. The International Court of Justice is located in The Hague, while other major agencies are based in the UN offices at Geneva, Vienna and Nairobi. Other UN institutions are located throughout the world.

The six official languages of the United Nations, used in intergovernmental meetings and documents, are Arabic, Chinese, English, French, Russian and Spanish, while the Secretariat uses two working languages, English and French. Five of the official languages were chosen when the UN was founded; Arabic was added later in 1973. The United Nations Editorial Manual states that the standard for English language documents is British usage and Oxford spelling, and the Chinese writing standard is Simplified Chinese. This replaced Traditional Chinese in 1971 when the UN representation of China was changed from the Republic of China to People's Republic of China. The Republic of China is now commonly known as “Taiwan”.