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Cotton Gin
Was invinted in the us in 1793 by eli whitney -
xyz affair
a political diplomic episode in 1797 and 1798 -
Louisana ourchase
A land deal between the us and france in which the us aqquired 827,000 squaer miles of land for 15 million -
Agreement of of 49th parallel
The treaty of 1818 set the boundary between the united states and british north along 49th para;;e; of north latitude from minnesotato the stony mountain also known as rocky mountain