What is the question here.
This battle was the costliest battle
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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I believe it is c they were ruled by emperors
<span>Historically incumbents who run for re-election are re-elected 78% of the time. Incumbents are known to their constituents and have a track record that can be reviewed, giving the voters some confidence in their choice.</span>
