<Tr> <Td> </Td> <Td> Recognized </Td> <Td> 1697 </Td> </Tr> <Tr> <Td> </Td> <Td> Independence </Td> <Td> January 1, 1804 </Td> </Tr> <Tr> <Td_colspan="2"> Area </Td> <Td> 21,550 km (8,320 sq mi) </Td> </Tr> <Tr> <Td_colspan="2"> Currency </Td> <Td> Saint - Domingue livre </Td> </Tr>

Describe the connection between the silver and sugar trade on saint domingue