Statistics for occurrence #1 of “United States” in entry united-states-of-america-iowa of Harper's Encyclopedia of United States History:

...included in Territory of Wisconsin, erected by act approved. April 20, 1836 Treaty at East Davenport between Governor Dodge, United States commissioner, and the Sacs and Foxes; Indians sell to United States the Keokuk reserve, 256,000 acres, at 75 cents per acre......September, 1836 Burlington, settled in 1833, is incorporated......1837 Treaty with the Sacs and Foxes extends the western boundary...
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.