Final answer:
The correct answer is Weingarten Rights, which refer to the right of union employees in the U.S. to have a union representative or coworker present during an investigatory interview.
Step-by-step explanation:
The correct answer to the question is a) Weingarten Rights. Weingarten Rights refer to the right of union employees in the U.S. to have a union representative or coworker present during an investigatory interview. These rights were established by the U.S. Supreme Court in the case of NLRB v. J. Weingarten, Inc. in 1975. This allows employees to have support and representation during disciplinary or investigatory meetings, helping to ensure a fair process.