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The Louisiana Purchase, established in 1803, granted the United States approximately 828,000 sq. miles.
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The Lewis and Clark expedition began, Lewis and Clak were sent to establish trade, examine nature, and find the Northwest Passge.
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The War of 1812 was a conflict, that lasted two-and-a-half years, between the United States of America against the United Kingdom .
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The Missouri Compromise was an effort by Congress abolish the rivalries caused by the request of Missouri in 1819 for admission as a slave state.
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The route over which settlers traveled to Oregon in the 1850s for a better life and another chance.
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A war between the United States and Mexico from 1846-1848. The United States won, which encouraged many Americans that the country was accomplishing its manifest destiny of expansion.
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The California Gold Rush was a large and quick movement of people to a region where gold was discovered..
