Why did the south rebel against the union after Abraham Lincoln was elected presiden

B

Explanation:

The South depended on slavery to do there work. However, after Abraham Lincoln was elected he banned slavery and the South didn't like the fact that he was taking part of their privilege.

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.