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.

the section of the chart that represents a point at which a bill needs approval from a majority of people in both chambers to advance is j, as this is the only section before the bill becomes law which has both rows (symbolizing the chambers) converging into one, meaning that the two parts of the congress have to approve of it before it can march on with the process.

the gutenberg bible was and about 180 copies were sold/made