The turmoil over the kansas-nebraska act led to the creation of the

It led to the creation of the Republican party. This was the party that was opposed to the northward expansion of slavery, and ran candidates that made this a major part of their platform. This was a follow-up to the Whig party, which had tried to run a more measured platform that was pro-slavery in the election prior and caused their extinction as mass numbers of their voters decided to sit out rather than vote.