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Britain , Spain , Denmark , Italy , the Netherlands and Portugal back the United States while France and Germany lead a group of nations opposing military action .
 Britain, Spain, Denmark, Italy, the Netherlands, Portugal, the United States, France, Germany, a group of nations opposing military action, nations opposing military action, military
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: organization, person, geographical social political, vehicle, location, weapon, facility 
Text: {0} 
Answer:
 Britain, Spain, Denmark, Italy, the Netherlands, Portugal, the United States, France, Germany, a group of nations opposing military action, nations opposing military action, military