What is the impact of the concordat of worms

Why might collective bargaining fail, causing a union to go on strike? a the union agrees with the boss about wages. b the boss compromises about work hours. c the factory goes out of business, causing the workers to lose their jobs. d the boss refuses to address dangerous working conditions in the factories.

Which of the following was a bold new idea expressed in the declaration of indenpendnce?

Can someone me write a paragraph on this topic i feel confused