Statistics for occurrence #1 of “United States” in chapter 23 of John D. Billings, Hardtack and Coffee: The Unwritten Story of Army Life:

...York, 287; 72nd Pennsylvania, 312; 10th Vermont, 246; Artillery: 1st Maine, 319; 10th Massachusetts, 278; Cavalry: 10th New York, 139; Engineers: 15th New York, 378; 50th New York, 378, 384, 393 United States Christian Commission, 64-65 Taylor, Zachary, 25 412 Vicksburg, 57, 383 Vining's Station, Ga., 400 Wadsworth, James S., 369 Warren, Gouverneur K., 246,308, 349,367,406 Warrenton Sulphur...
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.