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This article is about Jan Smuts in the government of South Africa when part of the British Empire , from the Transvaal 's defeat at the end of the Second Boer War in 1902 until the creation of the Union of South Africa in 1910 .
 South Africa, Union of South Africa
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 South Africa, Union of South Africa