Statistics for occurrence #1 of “United States” in chapter 2 of John D. Billings, Hardtack and Coffee: The Unwritten Story of Army Life:

...he Union as a State to decide for themselves whether they would or would not have slavery. The southern Democrats nominated John C. Breckenridge, of Kentucky, at that time Vice-President of the United States . The doctrine which he and his party advocated was the right to carry their slaves into every State and Territory in the Union without any hindrance whatever. Then there was still another party, ...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
United States (United States) 100,886 48 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.