<Tr> <Td> Civil War Era </Td> <Td> 1849--1865 </Td> </Tr> <Tr> <Td> Reconstruction Era </Td> <Td> 1865--1877 </Td> </Tr> <Tr> <Td> Gilded Age </Td> <Td> 1870s--ca 1900 </Td> </Tr> <Tr> <Td> Progressive Era </Td> <Td> 1897--1920 </Td> </Tr>

How did the era of good feelings affect nationalism