This event was evidence that the issue of slavery could only lead to further division and violence.

The issue of slavery could only lead to further  division and violence is explained below in details.

Explanation:

Slavery performed a central position throughout the American Civil War. The chief instigator for withdrawal was slavery, particularly Southern political officers' opposition to endeavors by Northern antislavery political authorities to obstruct the development of slavery into the western regions. A concluding important issue concerning slavery faced the representatives. Southern states desired other states to recover left slaves.