Question

why do employees join trade unions​

Answer 1

$\large\green{\mathtt{Why \: do \: employees \: join \: trade \: unions? }}$

The employees can participate in management of matters affecting their interests only if they join trade unions. They can influence the decisions that are taken as a result of collective bargaining between the union and the management. Many employees joins a union because their co-workers are the members of the union.

$\huge\pink{\fbox{Shraddha \: ✌}}$