Statistics for occurrence #1 of “United States” in chapter 23 of Thomas Wentworth Higginson, Book and heart: essays on literature and life:

... of the colored men who enlisted in our army during the Civil War showed the same combination of natural force and leadership with the same ignorance; and there has been at least one President of the United States who could not read and write until he grew to maturity, and then learned it from his wife. The complaint is very general at the South (though I am satisfied of its being premature) that the older ...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
United States (United States) 100,886 36 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.