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

..., where he was appointed United States commissary, and in 1812 adjutant and inspectorgeneral. He was the first governor of Missouri, serving from 1820 to 1824, when he re-entered the service of the United States as Indian agent.
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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.