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Paddock served in the American Southwest during the Apache Wars , as well as the Pine Ridge Campaign ( 1890 – 91 ) , the Battle of San Juan Hill ( 1898 ) in Cuba during the Spanish-American War , and finally the China Relief Expedition ( 1900 – 01 ) .
 Paddock, Pine Ridge, Cuba
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Paddock, Pine Ridge, Cuba