Statistics for occurrence #1 of “Mississippi river” in chapter 9 of George Bancroft, History of the United States from the Discovery of the American Continent, Vol. 10:

... taken; still less, till Spain should have carried out her views hostile to their interests. They gained the right to make peace whenever Great Britain would recognise their independence. The Mississippi river is the guardian and the pledge of the union of the states of America. Had they been confined to the eastern slope of the Alleghanies, there would have been no geographical unity between them, and t...
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