<P> Fort San Fernando de las Barrancas remained a focal point of Spanish activity until, as Holmes summarizes: </P> <Table> <Tr> <Td> "</Td> <Td> (T) he Treaty of San Lorenzo or Pinckney's Treaty of 1795 (implemented in March 1797), (had as its result that) all of the careful, diplomatic work by Spanish officials in Louisiana and West Florida, which has succeeded for a decade in controlling the Indians (e.g., the Choctaws), was undone . The United States gained the right to navigate the Mississippi River and won control over the Yazoo Strip north of the thirty - first parallel . </Td> <Td>" </Td> </Tr> </Table> <Tr> <Td> "</Td> <Td> (T) he Treaty of San Lorenzo or Pinckney's Treaty of 1795 (implemented in March 1797), (had as its result that) all of the careful, diplomatic work by Spanish officials in Louisiana and West Florida, which has succeeded for a decade in controlling the Indians (e.g., the Choctaws), was undone . The United States gained the right to navigate the Mississippi River and won control over the Yazoo Strip north of the thirty - first parallel . </Td> <Td>" </Td> </Tr> <P> The Spanish dismantled the fort, shipping its lumber and iron to their locations in Arkansas . </P>

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