Statistics for occurrence #1 of “United States” in chapter 74 of Rebellion Record: a Diary of American Events: Documents and Narratives, Volume 2.:

... Ship Nightingale, captured on the coast of Africa, April 21, 1861, by the United States sloop-of-war Saratoga, Commander Alfred Taylor, with 961 Africans on board, 801 of which were delivered to the United States agent at Monrovia. The Cora and Nightingale were sent to New York; the Bonita to Charleston, and subsequently to Savannah; and the Tuccoa and Mary Kimball to Key West, and delivered into the cust...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
United States (United States) 100,886 1,628 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.