Considering the legal principles, the additional steps Fowler could have taken such that Management and HR would have taken her accusations seriously is by "adding credible evidence."
This is because accusations with credible evidence give the accusation additional facts or information, which enhances the accusation proposition to be accepted as true or valid.
Accusation can be speculative or false. However, for accusation to be accepted as accurate or valid, it must be presented with evidence.
Therefore, for Fowler's accusations to be taken seriously, she must present evidence.
Hence, in this case, it is concluded that the correct answer is "addition of credible evidence."
Learn more here: https://brainly.com/question/24031091
