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His clandestine work took place amid a turbulent backdrop — the socio-economic upheaval following World War I ; the rise of the Iron Guard ; the threat , both internal and external , of Communism , and the increasing authoritarianism of King Carol II , who , along with other political and military leaders , trusted and stood by Moruzov for his qualities and successes .
 Iron Guard, Carol II, Moruzov
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Iron Guard, Carol II, Moruzov