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Treasury Secretary Albert Gallatin added that since the power to negotiate treaties was specifically granted to the president , the only way extending the country 's territory by treaty could " not " be a presidential power would be if it were specifically excluded by the Constitution ( which it was not ) .
 Albert Gallatin
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Albert Gallatin