Statistics for occurrence #1 of “United States” in chapter 61 of Admiral David D. Porter, The Naval History of the Civil War.:

...he Confederacy, and insisted that the Navy, in particular, was incapable of putting down the few cruisers that were destroying American commerce at their pleasure. France, the ancient ally of the United States , that had stood by the young Republic in its hour of need, and who had always been bound to it in the closest ties of amity, under the avaricious policy of her emperor, who had his eyes fixed on Mexi...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
United States (United States) 100,886 694 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.