<Table> <Tr> <Td> </Td> <Td> This article needs additional citations for verification . Please help improve this article by adding citations to reliable sources . Unsourced material may be challenged and removed . (October 2017) (Learn how and when to remove this template message) </Td> </Tr> </Table> <Tr> <Td> </Td> <Td> This article needs additional citations for verification . Please help improve this article by adding citations to reliable sources . Unsourced material may be challenged and removed . (October 2017) (Learn how and when to remove this template message) </Td> </Tr> <Table> Gentlemen's Agreement of 1907 <Tr> <Th> Type </Th> <Td> Informal agreement </Td> </Tr> <Tr> <Th> Context </Th> <Td> To reduce tensions between the two powerful Pacific nations </Td> </Tr> <Tr> <Th> Signed </Th> <Td> February 15, 1907 (1907 - 02 - 15) </Td> </Tr> <Tr> <Th> Effective </Th> <Td> 1907 </Td> </Tr> <Tr> <Th> Expiry </Th> <Td> 1924 </Td> </Tr> <Tr> <Th> Parties </Th> <Td> Japan and the United States </Td> </Tr> </Table> <Tr> <Th> Type </Th> <Td> Informal agreement </Td> </Tr>

What was the gentlemen's agreement for the us constitution to be ratified