They met new people, shared ideas, and learned new skills.
<h2>Answer</h2>
A) Overriding a presidential reversal or veto.
<h3>Explanation</h3>
In order to maintain the prevalence over check and balance is that the congress must ensure that powers of presidency aren't misused and put to wrong use. Therefore establishing that the congress has enough powers to study whether or not has the decision taken correct. Power of reversal or veto allows credibility to prevail and optimal decisions to take place and be implemented.
The north was heavily dependent on industry while the south was dependent on agriculture. The southern economy was based on the free work they were getting from slaves the north did not need slaves as they were less dependent on agriculture
