Statistics for occurrence #1 of “United States” in page 666 of William Schouler, A history of Massachusetts in the Civil War: Volume 1:

...on earth, that can parallel the benevolent, humane, and patriotic record of Massachusetts. The following statement shows the actual number of men furnished by Massachusetts for the service of the United States during the war, of all arms, and including both the army and the navy:—
...
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.