Statistics for occurrence #1 of “United States” in chapter 1 of Brig.-Gen. Bradley T. Johnson, Confederate Military History, a library of Confederate States Military History: Volume 2.1, Maryland:

...d the new States rapidly grew up and demanded admission into the Union. By the gradual abolition of slavery north of the Chesapeake the free States had been approaching control of the Senate of the United States , until the cotton-gin reversed the order, and it seemed as if the slave States would secure permanent control of the Union. Then began an agitation in the North, superficially moral and religious...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
United States (United States) 100,886 136 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.