<Tr> <Td> Japanese Occupation (1942--45) (show) <Table> <Tr> <Td> Battle of Singapore </Td> <Td> 1942 </Td> </Tr> <Tr> <Td> Sook Ching </Td> <Td> 1942 </Td> </Tr> </Table> </Td> </Tr> <Table> <Tr> <Td> Battle of Singapore </Td> <Td> 1942 </Td> </Tr> <Tr> <Td> Sook Ching </Td> <Td> 1942 </Td> </Tr> </Table> <Tr> <Td> Battle of Singapore </Td> <Td> 1942 </Td> </Tr> <Tr> <Td> Sook Ching </Td> <Td> 1942 </Td> </Tr>

Why did the british chose singapore as a trading port