<Ul> <Li> California </Li> <Li> Connecticut </Li> <Li> Illinois </Li> <Li> Indiana </Li> <Li> Iowa </Li> <Li> Kansas </Li> <Li> Maine </Li> <Li> Massachusetts </Li> <Li> Michigan </Li> <Li> Minnesota </Li> <Li> Nevada </Li> <Li> New Hampshire </Li> <Li> New Jersey </Li> <Li> New York </Li> <Li> Ohio </Li> <Li> Oregon </Li> <Li> Pennsylvania </Li> <Li> Rhode Island </Li> <Li> Vermont </Li> <Li> Wisconsin </Li> </Ul> <Tr> <Th> Border states </Th> </Tr> <Tr> <Td> <Ul> <Li> Delaware </Li> <Li> Maryland </Li> </Ul> </Td> </Tr> <Ul> <Li> Delaware </Li> <Li> Maryland </Li> </Ul>

What were the union states during the civil war