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Thomas Jefferson is elected as the 3rd president of the United States of America.
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Thomas Jefferson completed the Louisiana Purchase from the French for the price of $15 million, gaining nearly 828,000 square miles for the United States.
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The Lewis and Clark expedition left the Corps of Discovery left Camp Wood River in Illinois to explore the west and see what they could gain economically from the west
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Lewis and Clark Expedition Finally reach the pacific ocean and complete there journey of exploring the west.
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United States created a federal law that stated that no new slaves were permitted to be imported into the United States
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The War of 1812 begins and is a military conflict fought between the forces of the United States and those of the British Empire.
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The War of 1812 is concluded with a British victory and the signing of the Treaty of Ghent
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James Monroe is elected as the fifth president of The United States and the last of the founding fathers
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President James Monroe signs the Missouri Compromise, also known as the Compromise Bill of 1820, into law.
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In Presidents Monroe annual address to congress his speech warned European powers to respect the Western Hemisphere as the United States' sphere of interest