Concept:The United Nations Organization was formed to replace an earlier international body that failed to maintain world peace.
Explanation:The League of Nations was established in 1919 after the First World War.
Its main purpose was to prevent another major global conflict.
However, the League failed to stop the outbreak of the Second World War.
As a result, it became inactive and was formally dissolved.
The United Nations Organization was then created in 1945 to take over the role of keeping international peace and security.
Thus, the UN emerged as a direct outcome of the collapse of the League of Nations.
Answer:B. League of Nations (LON)