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

The Adams-Onís Treaty of 1819 set the boundary between the United States and Spanish territory in North America. Spain ceded Florida to the United States, and the treaty clarified territorial claims in the West. The Treaty of Ghent ended the War of 1812, the Monroe Doctrine was a later policy statement, and the Louisiana Purchase was an earlier land deal with France.

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