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  One of the largest land purchases in American history.
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  A trip made by Lewis and Clark to explore the new lands they had recently bought from Napolean.
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  American Soldiers raided Seminole villages as a result of the refusal to move by the Seminoles.
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  An act that made it so public domain lands could not be bought and resulted in lower land prices for land in the West.
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  A canal that made it so people and supplies could be carried directly inland by bout quicker than by land.
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  A policy that made it so any colonization by any foreign country would make be seen as an act of agression.
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  The Act signed by congress that allowed any Native Americans to be removed at any time.
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  A rebellion that resulted in the independance of Texas.
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  Treaty that gave the Cherokee 5.6mil and transportation west for all of thier land.
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  A result of the Indian Removal Act because they refused to move to the Mississppi.
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  Mexicans opened fire upon American Soldiers when the met during a border patrol.
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  Gold was found at Sutter's Mill California, which caused people to flood to California.
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  A treaty which gave the following states to the United States, Arizona, California, Colorado, Nevada, New Mexico, Utah and Wyoming.
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  A compromise in which a states were equally admitted as slave and free states to avoid conflict of North and South.
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  Due to the spike in population from the gold rush California is almost instantly declared a state.
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  The U.S paid mexico 10 million for a portion of mexico that is known today as arizona.
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  The first transcontinental telegraph line is completed.
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  An act passed to open more lands in the west for settlement.
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  A railroad created in 1869 that went all the way across the country from coast to coast.
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  The U.S 7th Cavalry Regiment was severely defeated in battle against Native Americans with a total number of casualties including scouts was 268 dead and 55 injured.