I'm not completely sure, but I think it was because of the discrimination that they were facing in Western Europe. They were treated better in Poland.
The government would take a stronger, more active role in the crisis.
Answers:
because promising not to join a union would strip the employees of his ability to protest work place injustice with the support of an organised workers group
It was d-day in a relationship that I would like you and you I never want you too