91149
According to Hannah Arendt in " The Origins of Totalitarianism " ( 1951 ) , this expansion of national sovereignty on overseas territories contradicted the unity of the nation state which provided citizenship to its population .
 Hannah Arendt
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Hannah Arendt