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American adventurers and fur trappers who spent most of their time in the Rocky Mountains
a 363-mile-long artificial waterway connecting the Hudson River with Lake Erie, built between 1817 and 1825
trail of tears
forced journey of the Cherokee Indians from Georgia to a region west of the Mississippi during which thousands of Cherokees died
a period from1848 to 1856 when thousands of people came to California in order to search for gold.
bought land extending westward from mississippi river to roughly rocky mountains for 15 million dollars
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