The major concern of the United Nations Organization (UNO) is world ________

1. Analyze the question The question asks for the major concern (the primary purpose) of the United Nations Organization. So we need the main reason the UN was created.

2. Explain the concept The UN was founded in 1945, right after World War II, to prevent another devastating global war. The first purpose in Article 1 of the UN Charter is:

> "To maintain international peace and security..."

Other aims include promoting cooperation, human rights, health (through agencies like WHO), and trade (through bodies like UNCTAD). However, these are secondary or supporting functions.

3. Step-by-step solution

• A. Trade: Handled by specialized bodies (e.g., UNCTAD), and it is not the main purpose.
• B. Peace: This is the central reason the UN exists. The Security Council's main duty is maintaining international peace and security.
• C. Health: Handled by a specialized agency (WHO), so it is a secondary concern.
• D. Cooperation: It is one of the UN's aims, but cooperation is a means to achieving peace, development, and human rights, not the primary concern.

4. Answer The correct option is B. peace.

5. Exam tip Remember: UN = Peace first. Whenever a question asks for the "main aim," "primary objective," or "major concern" of the UN, think of maintaining international peace and security. Likewise, the League of Nations (the UN's predecessor) was also formed mainly to promote peace.