Statistics for occurrence #1 of “United States” in entry mazzei-philip of Harper's Encyclopedia of United States History:

.... This letter caused Washington to lose faith in Jefferson, and it was never restored. It was used as political capital by the Federalists until the election of Jefferson to the Presidency of the United States in 1800. Mazzei died in Pisa, March 19, 1816.
...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
† United States (United States) 100,886 16,340 0 0 0 user votes
United States (New Mexico, United States) 6 0 0 0 0 user votes

† This entity has been selected by the automated classifier as the most likely match in this context. It may or may not be the correct match.