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The truth is that , as director of U . N . peacekeeping , Annan personally refused requests to authorize U . N . peacekeepers in Rwanda to seize weapons and prevent genocide .
 Rwanda, U . N, U . N, director of U . N . peacekeeping, Annan, U . N . peacekeepers in Rwanda, weapons
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:
 Rwanda, U . N, U . N, director of U . N . peacekeeping, Annan, U . N . peacekeepers in Rwanda, weapons