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

...en the Mississippi from the Ohio River to the sea, clear out the obstructions in the shape of four hundred guns, and restore the different towns on the banks of that great river to the control of the United States Government. With what was it all to be done? Could their frail vessels, improvised from river-boats and a few thin-plated vessels, be able to force the barriers that were placed on every eligible...
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.