<Tr> <Th> Columbus Delano </Th> <Td> 1870--1875 </Td> </Tr> <Tr> <Th> Zachariah Chandler </Th> <Td> 1875--1877 </Td> </Tr> <Tr> <Td_colspan="3"> <Ol> <Li> Jump up ^ Schofield was Secretary of War under President Andrew Johnson, but stayed on temporarily when Grant assumed the presidency . </Li> </Ol> </Td> </Tr> <Ol> <Li> Jump up ^ Schofield was Secretary of War under President Andrew Johnson, but stayed on temporarily when Grant assumed the presidency . </Li> </Ol>

In 1863 mexico asked which us president for help