It threw off the balance of power. The south now had 13 states and the north now had only 11.
The line was made obsolete. The new arrangement was meant to be local voting on slavery in the new states of Nebraska and Kansas. ;
The Kansas-Nebraska Act of 1854 repealed the Missouri Compromise, allowing settlers in the new territories of Kansas and Nebraska to decide on slavery through popular sovereignty. This change angered Northerners while satisfying Southern interests and led to violent conflicts over the issue in Kansas. The act played a significant role in escalating tensions that eventually contributed to the outbreak of the Civil War.
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