There is not only no free state which would now establish it, but there is no slave state, which, if it had had the free alternative as we now have, would have founded slavery.
Bio: John Kilian Houston Brunner was a British author of science fiction novels and stories. His 1968 novel Stand on Zanzibar, about an overpopulated world, won the 1969 Hugo Award for best science fiction novel, and the BSFA award the same year.