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Second Bank of the United States is established. First protective tariff goes into effect.
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Rush-Bagot Treaty between the United States and Great Britain.
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The Convention of 1818 establishes the northern border of the Louisiana Purchase at the 49th parallel.
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Panic of 1819; Supreme Court issues McCulloch v. Maryland decision; United States and Spain agree to the Transcontinental
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Congress accepts the Missouri Compromise
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Maine and Missouri become states, and Florida becomes a territory.
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President Monroe announces the Monroe Doctrine
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Supreme Court issues Gibbons v. Ogden decision; John Quincy Adams wins the presidential election by what some claim is a "corrupt bargain" with Henry Clay.
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Andrew Jackson wins the presidency.