Statistics for occurrence #1 of “United States” in entry sioux-indians-or-dakota-indians of Harper's Encyclopedia of United States History:

... the Southern Sioux. In the War of 1812 the Sioux took sides with the British. In 1822 the population of the two divisions of the tribe was estimated at nearly 13,000. In 1837 they ceded to the United States all their lands east of the Mississippi, and in 1851 they ceded 35,000,000 acres west of the Mississippi for $3,000,000. The neglect of the government to carry out all the provisions of the treaties ...
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.