Statistics for occurrence #1 of “United States” in chapter 47 of Admiral David D. Porter, The Naval History of the Civil War.:

...asm of the French population of Louisiana had been early excited at the idea of the secession of the Southern States. Almost immediately, preparations were made by unauthorized persons to prey upon United States commerce, and several vessels were captured and taken to New Orleans. The Federal Government became alarmed at the probable consequences of a wholesale system of privateering, and President Lincoln...
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.