Statistics for occurrence #1 of “America” in chapter 10, page 184 of The Photographic History of The Civil War: in ten volumes, Thousands of Scenes Photographed 1861-65, with Text by many Special Authorities, Volume 5: Forts and Artillery.:

...red in the Italian campaign of Napoleon III, in 1859, the problem of a projectile that would satisfactorily take the rifling of the gun had not been solved, and up to the outbreak of the Civil War in America the employment of such guns was, on this account, an uncertain undertaking. During the years from 1861 to 1865, there was continual trouble in finding a projectile that would take the rifling succe...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
America (Netherlands) 1,850 0 0 0 0 user votes
America (Illinois, United States) 600 0 0 0 0 user votes
America (Alabama, United States) 302 0 0 0 0 user votes
America (Indiana, United States) 268 0 0 0 0 user votes
America (Oklahoma, United States) 34 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.