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In order to unify his senior staff , Eisenhower ordered that a strategy design exercise be convened in order to allow for his staff to come together and agree upon a central theme for Soviet engagement that would guide his administration 's actions going forward .
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
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