391513
Incidents of racial violence between settler communities followed the large scale multi-ethnic immigration of the Australian goldrushes of the mid-19th century - notably white miners targeting Chinese miners - which contributed to the development of the White Australia Policy which preferenced British and " white " immigration to Australia for some decades .
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
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