The United Nations is a direct descendent of the League of Nations, begun as a result of the First World War, and committed to peace and international security. Nations involved with the League of Nations were very much concerned with their own interests and major world issues were ignored, such as Germany's rearmament program and Japan's invasion of China. The breakout of World War II signalled the end of the League of Nations but the concept was seen to have been successful, and in 1945 a new organisation, the United Nations was chartered and committed to by the first 51 member states.
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