Statistics for occurrence #1 of “United States” in page 513 of William Schouler, A history of Massachusetts in the Civil War: Volume 1:

...thirty-two-pounders and smaller guns, the United States were supposed to possess a sufficient supply. Experience soon proved that nothing could be done under the resolve of the Legislature. The United States could spare no ordnance officer to superintend the work, and no contractors could be found to undertake it; besides, the amount appropriated
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Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
United States (United States) 100,886 384 0 0 0 user votes
United States (New Mexico, United States) 6 6 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.