Statistics for occurrence #1 of “United States” in chapter 1, page 342 of Cambridge History of American Literature: volume 3:

... United States
protests. William J. Grayson, Collector of the Port of Charleston, and a lifelong champion of slavery, boldly opposed the secessi...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
United States (United States) 100,886 388 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.