The name was changed because of decolonisation. This was a process by which the Britishinfluence in many areas, one of them sports, declined. Cricket was no longer the monopolyof the imperial powers. Cricket was becoming international. In time, it came to be accepted that the laws of cricket could not continue to be framed for British or Australian conditions of play and they became part of the technique of all bowlers, everywhere in the world. 
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can u tell what u want about history of cricket