trade unions in Europe, the same as in Colombia?

The trade Unions were created in Europe during the Industrial Revolution. When the skills lost importance to perform the mayority of jobs shifting employment bargainning power almost a 100% to the employers side causing the underpaid shifts, the mistrear of workers and many other abuses againts the employees.

The concpet Europenas have about the trade or labor unions are the same as in Colombia, they play very similar roles. The most important one, protect the workers against employers abuse.