The Kansas-Nebraska Act was an 1854 bill that mandated “popular sovereignty”–allowing settlers of a territory to decide whether slavery would be allowed within a new state's borders. … Kansas was admitted as a free state in January 1861 only weeks after eight Southern states seceded from the union. Oct 29, 2009
Answer:Censor which occurs in advance of publication.Meant submitting all proposed publications to government censors who exercised considerable direction regarding the content to be approved for publication