Starting from down to top,Self actualizationEsteemLove/belongingSafetyPhysiological
A is the correct answer choice
<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.
Answer:
a whistle blower. A whistle blower is a person who informs on a person or organization engaged in an illicit activity. which is the definition you have described.