<P> Abraham Lincoln Ulysses S. Grant William T. Sherman David Farragut George B. McClellan Henry Halleck George Meade </P> <P> Jefferson Davis Robert E. Lee J.E. Johnston G.T. Beauregard A.S. Johnston † Braxton Bragg </P> <Tr> <Th_colspan="2"> Strength </Th> </Tr> <Tr> <Td> <P> 2,200,000: </P> <Ul> <Li> Union Army </Li> <Li> Union Marines </Li> <Li> Union Navy </Li> <Li> Revenue Service </Li> </Ul> 698,000 (peak) </Td> <Td> <P> 750,000--1,000,000: </P> <Ul> <Li> Confederate army </Li> <Li> Confederate marines </Li> <Li> Confederate navy </Li> </Ul> 360,000 (peak) </Td> </Tr>

What are some results of the civil war