Supporters of the Compromise of 1850 lauded it as a continuation of the Missouri Compromise, which had helped maintain peace for thirty years. But four years later, the Missouri Compromise was eviscerated by the Kansas-Nebraska Act. Authored by Democratic Senator Stephen Douglas, it was in fact two provisions, one providing for the territory of Nebraska and the other for the new territory of Kansas. Breaking with the Missouri Compromise’s ban on slavery in this part of the country, it established the policy of “popular sovereignty”: Slavery would be voted on by the citizens of each territory, and made legal or illegal according to the will of the majority. For Lincoln, this policy struck at the very heart of free government. Read more