Why is it advisable for workers to join trade unions?

Question

Why is it advisable for workers to join trade unions?

Answer 1

I used to think that unions were a joke and a waste of time and money...until I worked for UPS and I saw what unethical business practices and corporate greed at the expense of the employee really looks like.  After that I was glad to be union.

Answer 2

So EVERY city can be as vibrant and robust as Detroit.

Answer 3

So they can s***w those companies and employers for which they work.