Final answer:
Work-to-rule is a work slowdown instituted by employees to achieve a purpose beneficial to them. Option b.
Step-by-step explanation:
Work-to-rule option b, is a work slowdown instituted by employees to achieve a purpose beneficial to them. It is a labor strategy where employees strictly adhere to the rules and regulations of their job, without going above and beyond or providing any extra effort or initiative. By doing so, employees aim to create delays or inefficiencies in their work to make a statement or put pressure on their employer.