Statistics for occurrence #1 of “Confederate States” in chapter 47 of Admiral David D. Porter, The Naval History of the Civil War.:

...States Navy, for the purpose of explanation. Your Excellency must be under some misapprehension as to the character of this vessel. She is a ship-of-war duly commissioned by the Government of the Confederate States , which States have been recognized as belligerents, in the present war, by all the leading powers of Europe, viz.: Great Britain, France, Spain, etc., as your Excellency must be aware. It is true...
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