Passage of the kansas-nebraska act spurred the creation of which political party

In 1854, the controversial Kansas-Nebraska Act, split two existing political parties the Whig party and Jacksonian Democrats and led to the creation of the Republican party. Kansas-Nebraska act overturned the Missouri compromise and allowed settlers to decide whether slavery would be allowed in their state. This led to the creation of the Republican party founded by anti-slavers whose primary objective was fighting slavery.