<Tr> <Th> History of Michigan </Th> </Tr> <Tr> <Td> <Ul> <Li> By year </Li> <Li> Pre-statehood </Li> <Li> U.S. Civil War </Li> <Li> Since 1900 </Li> <Li> Topics: Cities - Politics </Li> </Ul> </Td> </Tr> <Ul> <Li> By year </Li> <Li> Pre-statehood </Li> <Li> U.S. Civil War </Li> <Li> Since 1900 </Li> <Li> Topics: Cities - Politics </Li> </Ul> <Li> U.S. Civil War </Li>

Which group was attracted to large american cities during much of the nineteenth century