<Tr> <Th> Published </Th> <Td> 1918, 1938 (revised) </Td> </Tr> <Tr> <Th> Genre </Th> <Td> Patriotic song </Td> </Tr> <Tr> <Th> Songwriter (s) </Th> <Td> Irving Berlin </Td> </Tr> <P> "God Bless America" is an American patriotic song written by Irving Berlin during World War I in 1918 and revised by him in the run up to World War II in 1938 . The later version has notably been recorded by Kate Smith, becoming her signature song . </P>

What does the song god bless america mean