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The United States bought a huge area of land from Frace doubling the size of the U.S. overnight
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Lewis and Clark set out on an expidition to explore the new Louisiana territory and went all the way to the Pacific Ocean
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The forced removal of native americans from the lands
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The Oregon Trail was the trail many pioneers took to the west until it was rendered useless by the trancontenental railroad in 1849
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A war between Mexico and the U.S.A. in which the American got alot of land from the Mexicans
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The mormons after being forced out of the east for doing things others didnt agree with left. They went to Utah and settled around Salt Lake City. They now have a big precense there