Why was the great war of 1914-1918called first world war

1.	Why was the great war of 1914-1918called first world war
Answer» The First World War which began in 1914 was different from all the other previous wars. It was fought by several nations and affected almost all countries. New methods of defence and destruction were used in it. Because of the extent of the spread of the war, damages caused by it and the total impact of the war was till now unprecedented in history, it came to be known as the First World War.

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