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The Adams-Onís Treaty showing area claimed by the US before the treaty, and results of the new agreement
The 1819 Adams-Onís Treaty delivered Spanish Florida to the United States, while recognizing Spain's rule over present-day southwest United States, other than Oklahoma and most of Red River. Only the present-day Panhandle of the state fell outside of the Louisiana Purchase/Missouri Territory and under Spanish rule. Adams-Onís proved pivotal to the subsequent southeastern Indian removals and settling of Indian Territory.
For the southeastern Indians, Adams-Onis meant the United States could move toward removing the tribes from the westward tide of American settlement.
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Secretary of State and future sixth President John Quincy Adams. He spearheaded the Adams-Onís Treaty, pivotal to the subsequent Indian removals and settling of Indian Territory.
The Impact of Adams-Onis