Statistics for occurrence #1 of “United States” in chapter 2.6 of The Photographic History of The Civil War: in ten volumes, Thousands of Scenes Photographed 1861-65, with Text by many Special Authorities, Volume 1: The Opening Battles.:

... isolated the Confederacy, cut it off from communication with the outside world, and at the same time compelled it to guard every point against a raid like that which had destroyed the Capitol of the United States in 1814? Had the Confederacy instead of the United States been able to exercise dominion over the sea; had it been able to keep open its means of communication with the countries of the Old World, ...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
United States (United States) 100,886 56 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.