Statistics for occurrence #1 of “Gulf of Mexico” in chapter 1 of George Bancroft, History of the United States from the Discovery of the American Continent, Vol. 5, 13th edition.:

...e nation every where presented the most touching picture of misery and poverty. And Spain, which by its laws of navigation reserved to itself all traffic with its colonies, and desired to make the Gulf of Mexico and the Caribbean its own close seas, allowed but four and thirty vessels, some of them small ones, to engage in voyages between itself and the Continent of America on the Atlantic side, and all alo...
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Entity Corpus Doc Corpus Doc  
Gulf of Mexico 1,062 4 0 0 0 user votes

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