Which allowed the United States and Spain to divide the remainder of North America in 1819?

The Adams-Onís Treaty of 1819 settled boundaries between the United States and Spain in North America. Spain ceded Florida to the United States, and the two countries established a boundary that helped define their remaining territories. The Treaty of Ghent ended the War of 1812, the Monroe Doctrine stated a U.S. policy toward European powers, and the Louisiana Purchase involved land bought from France.

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