The main purpose of the League of Nations was to ensure World Peace and to prevent another World War. Their methods were promoting disarmament (reducing the number of weapons) diplomacy, international relations and global well-being.
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Your answer is most likely C. :) Glad I could help!!
If I had written your question in English, I could have helped you
Answer:
It expands faster than someone speaking in a crowded street it can go around the globe and influence more people than standing in the corner over a box of soap saying the same that you could be typing also it can harm in a greater way since once something gets to the internet it is there forever.