Answer :
Answer:
a. retaliation.
Explanation:
Retaliation: The term retaliation is described as the process in which an employer tends to punish his or her employee who has been engaged in a few "legally protected activities". The process of retaliation involves a few negative job actions, for example, salary reduction, demotion, shift or job reassignment, firing, and discipline, etc. Along with the negative job actions, retaliation is also considered as subtle on a large scale.
In the question above, Nick files a claim, stating that he was the victim of retaliation.