a. Bleeding Kansas
b. New states had the right to choose whether to be free or slave states
c. The Missouri Compromise was broken
d. John Brown and his gang killed five men
e. All of the above
The Kansas-Nebraska Act repealed the Missouri Compromise, created two new territories, and allowed for popular sovereignty.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.