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The carronade was adopted by the Royal Navy in 1779 ; the lower muzzle velocity of the round shot when fired from this cannon was intended to create more wooden splinters when hitting the structure of an enemy vessel , as they were believed to be more deadly than the ball by itself .
 Royal Navy
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Royal Navy