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He led a workers ' delegation to the Soviet Union in 1934 and recruited a young unionist , Jim Healy , to the CPA ; Healy would be one of the most significant unionists of his time .
 Soviet Union, Jim Healy, Healy
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Soviet Union, Jim Healy, Healy