Concept:The UNO was created mainly to maintain global stability and harmony.
Explanation:After the destruction of World War II, countries formed the United Nations Organization in 1945.
Its primary goal is to prevent wars and maintain international peace and security.
It also helps nations cooperate on economic, social, and humanitarian issues.
However, the core reason for its formation is to stop conflicts and preserve world peace.
Therefore, among trade, cooperation, and health, "peace" is the central concern of the UNO.
Answer:B. Peace