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It began a mass production.
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The invention demanded for more slaves.
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The old white house was burned down.
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the purchase was made by tomas Jefferson.It was 15 million$.
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The purpose was to study new wildlife, make maps to the Pacific, establish relationships with Native american, claim Oregon country.
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the us and British they were battling aganist the Indians.
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The systems connected from Maryland to Wheeling West Virginia.
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in order to keep balance in the congress between slave states.
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Message to the world that the "Americas" were closed to colonization.
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Was built to connect the Hudson River with Lake Erie in 1825.
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17,000 Indians were forced to move to OK from GA. 4,000 were killed along the way.
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Increased food supply with fewer workers.
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The whitmans traveled first. It began in Independence MO. It was a 2000 mile trip.
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The telegraph made faster communications, merchants have better information about supply and demand.
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The war was between the US and Mexico. It was fought over land rights.