USA HISTORY

Detailed explanation-1: -The Kansas-Nebraska Act repealed the Missouri Compromise, created two new territories, and allowed for popular sovereignty. It also produced a violent uprising known as “Bleeding Kansas, ” as proslavery and antislavery activists flooded into the territories to sway the vote.

Detailed explanation-2: -This provision held for 34 years, until it was repealed by the Kansas-Nebraska Act of 1854. In 1857, the Supreme Court ruled that the Missouri Compromise was unconstitutional in its Dred Scott v. Sandford decision.