<Tr> <Th> North Carolina </Th> <Th> 15 </Th> <Td> 25,261 </Td> <Td> 84.77 </Td> <Td> 15 </Td> <Td> 4,538 </Td> <Td> 15.23 </Td> <Td> - </Td> <Td_colspan="3"> no ballots </Td> <Td_colspan="3"> no ballots </Td> <Td> 29,799 </Td> <Th> NC </Th> </Tr> <Tr> <Th> Ohio </Th> <Th> 21 </Th> <Td> 81,246 </Td> <Td> 51.33 </Td> <Td> 21 </Td> <Td> 76,539 </Td> <Td> 48.35 </Td> <Td> - </Td> <Td> 509 </Td> <Td> 0.32 </Td> <Td> - </Td> <Td_colspan="3"> no ballots </Td> <Td> 158,294 </Td> <Th> OH </Th> </Tr> <Tr> <Th> Pennsylvania </Th> <Th> 30 </Th> <Td> 91,949 </Td> <Td> 57.96 </Td> <Td> 30 </Td> <Td_colspan="3"> no ballots </Td> <Td> 66,689 </Td> <Td> 42.04 </Td> <Td> - </Td> <Td_colspan="3"> no ballots </Td> <Td> 158,638 </Td> <Th> PA </Th> </Tr> <Tr> <Th> Rhode Island </Th> <Th> </Th> <Td> 2,126 </Td> <Td> 43.07 </Td> <Td> - </Td> <Td> 2,810 </Td> <Td> 56.93 </Td> <Td> </Td> <Td_colspan="3"> no ballots </Td> <Td_colspan="3"> no ballots </Td> <Td> 4,936 </Td> <Th> RI </Th> </Tr>

Where do the democratic and republican parties select their presidential nominees answers.com