In the U$.$S$.,$ the decrease in the demand for unionization has likely NOT been caused by:

Group of answer choices

U$.$S$.$ unions that have not put enough money into union organizing and have therefore not done a good job of "selling" their services.

Individuals experiencing union representation, and are unhappy with it and decide they do not want it$.$

To some extent, protective legislation ensuring safety and income security that has served to replace union representation.

Employers that may be more likely to listen to their employees and respond to their changing needs, thus reducing employees' need for outside representation.