Can someone please help me in finding out the accurate answer from the following question. Practices that were common in the labor markets however that are now illegal comprise: (i) Boycotting, scabbing and shirking. (ii) Sweetheart deals assembly line speedups and strict seniority clauses. (iii) Insider hiring, subordinating and straw-bossing. (iv) Goldbricking, moth balling and the wage discrimination. (v) Featherbedding, blacklisting and the yellow dog contracts.