Employment Law, Compensation and Policy Post

In a globalized workplace, many companies actively seek to move their base of operations and manufacturing plants to cities and countries with a low-cost labor force. What steps, if any, can workers take, either within a union or outside of a union, to protect their jobs and prevent companies from offshoring their positions and responsibilities? Offer an example of workers who have prevented their companies from offshoring their positions and explain the strengths and weaknesses of their approach.