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He was an American explorer and frontiersman. He led an expedition and found a trail to the far west throught the Cumberland Gap.
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Eli Whitney invented the cotton gin.
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It is approximately 828,000,000 square miles of territory that the United States bought from France.
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An expedition led by Captain Meriwether Lewis and Lieutenant William Clark to explore the Louisianna Purchase and the Pacific Northwest.
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It was a war between the United States and Great Britain. It was caused by the attempts by the British to restrict U.S. trade.
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It was fight between Texas and Mexico. It started by the Mexican soldiers.
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The military removed 20,000 Cherokee indians from their territory.
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They traveled to the west hoping to bring christianity to the Native American people. They were the first people to settle in the area that is now present day Washington state.
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It is a term for the attitude prevalent during the 19th century period of American expansion.
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He started the explorations of Mississippi to the Pacific Ocean.
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Thousands of people used it to get to Oregon for a better life.
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A group of 90 people led by Jacob and George Donner. They tried taking a shorter way to California but when they made it to California only about half of the people made it.
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A war between the Americans and the Mexicans. After the war the Mexicans had lost about one third of their territory.
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There was a huge increase in the population of California as people came to mine for gold.
